part

part

A portion.
abdominal p. of aorta abdominal aorta
abdominal p. of esophagus the part of the esophagus inferior to the diaphragm. See esophagus.pars abdominalis esophagi [NA];
abdominal p. of thoracic duct the part of the thoracic duct between the cisterna chyli and the aortic hiatus of the diaphragm.pars abdominalis ductus thoracici [NA];
abdominal p. of ureter the part of the ureter between the renal pelvis and the brim of the pelvis.pars abdominalis ureteris [NA];
alar p. of nasalis muscle See nasalis muscle.pars alaris musculi nasalis [NA];
alveolar p. of mandible the portion of the body of the mandible that surrounds and supports the lower teeth.pars alveolaris mandibulae [NA];
annular p. of fibrous digital sheath one of the two circular fibrous bands of the fibrous sheaths of the fingers and toes attached to the shaft of the proximal and middle phalanges.pars annularis vaginae fibrosae [NA], annular pulley, annulus of fibrous sheath, ligamentum annulare digitorum;
anterior p. the portion of a structure that tlies most forward, or closest to the front surface relative to other parts; in human anatomy, the ventral portion of a structure. See anterior p. of anterior commissure of brain, anterior p. of diaphragmatic surface of liver, anterior p. of fornix of vagina.pars anterior [NA];
anterior p. of anterior commissure of brain the anterior part of the anterior or rostral commissure of the brain;pars anterior commissurae rostralis [NA], pars anterior commissurae anterioris cerebri;
anterior p. of diaphragmatic surface of liver the part of the diaphragmatic surface of the liver deep to the costal arches and the xiphoid process.pars anterior faciei diaphragmatis hepatis [NA];
anterior p. of fornix of vagina the portion of the fornix of the vagina anterior to the uterine cervix.pars anterior fornicis vaginae [NA];
anterior p. of pons ventral p. of pons
anterior tibiotalar p. of deltoid ligament anterior tibiotalar ligament
ascending p. of aorta ascending aorta
ascending p. of duodenum the terminal or fourth p. of the duodenum, ascending from the horizontal p. to the jejunum.pars ascendens duodeni;
atlantic p. of vertebral artery suboccipital part of vertebral artery. See vertebral artery.
autonomic p. autonomic nervous system
basal p. of occipital bone basilar p. of the occipital bone
basal p. of pulmonary artery See right pulmonary artery, left pulmonary artery.
basilar p. of the occipital bone the part of the occipital bone that lies anterior to the foramen magnum and joins with the body of the sphenoid bone.pars basilaris ossis occipitalis [NA], basal p. of occipital bone, basilar apophysis, basilar process of occipital bone, basilar process, basiocciput;
basilar p. of pons ventral p. of pons
bony p. of auditory tube the portion of the auditory tube that passes from the tympanic cavity anteromedially through the semicanal for auditory tube.pars ossea tubae auditivae [NA];
bony p. of external acoustic meatus the medial two-thirds of the external acoustic meatus which is formed as the tympanic plate of the temporal bone develops; it extends approximately 16 mm. from its junction with the cartilaginous part to the tympanic membrane.
bony p. of nasal septum the major portion of the nasal septum supported by the vomer and the perpendicular plate of the ethmoid.pars ossea septi nasi [NA];
buccopharyngeal p. of superior pharyngeal constrictor See superior constrictor muscle of pharynx.pars buccopharyngea musculi constrictoris pharyngei superioris [NA];
cardiac p. of stomach the area of the stomach close to the esophageal opening (cardiac orifice or cardia) which contains the cardiac glands.pars cardiaca gastris [NA], pars cardiaca ventriculi [NA], cardia, gastric cardia;
cartilaginous p. of auditory tube that portion of the auditory tube that is supported by cartilage; it continues anteromedially from the osseous part to open into the nasopharynx.pars cartilaginea tubae auditivae [NA];
cartilaginous p. of external acoustic meatus the lateral third of the external acoustic meatus which is continuous with the auricular cartilage and attached to the circumference of the bony part.
cartilaginous p. of skeletal system the part of the skeleton composed of cartilage.pars cartilaginosa systematis skeletalis [NA];
cavernous p. of internal carotid artery the tortuous portion of the internal carotid artery located within the cavernous sinus; it has numerous small branches.pars cavernosa arteriae carotidis internae [NA];
ceratopharyngeal p. of middle pharyngeal constrictor See middle constrictor muscle of pharynx.pars ceratopharyngea musculi constrictoris pharyngis medii [NA];
cerebral p. of arachnoid arachnoid of brain
cerebral p. of dura mater dura mater of brain
cerebral p. of internal carotid artery the portion of the internal carotid artery that supplies the brain; its branches are: superior hypophyseal, clival, ophthalmic, anterior choroidal, anterior cerebral, and middle cerebral.pars cerebralis arteriae carotidis internae [NA];
cervical p. of esophagus the p. of the esophagus located in the neck. See esophagus.pars cervicalis esophagi;
cervical p. of internal carotid artery the unbranched portion located in the neck.pars cervicalis arteriae carotidis internae;
cervical p. of spinal cord the p. of the spinal cord that consists of the eight cervical segments and gives rise to the first eight pairs of spinal nerves.pars cervicalis medullae spinalis;
cervical p. of thoracic duct the portion of the thoracic duct above the first rib.pars cervicalis ductus thoracici;
chondropharyngeal p. of middle pharyngeal constrictor See middle constrictor muscle of pharynx.pars chondropharyngea musculi constrictoris pharyngea medii [NA];
ciliary p. of retina pars ciliaris retinae [NA]; See retina.
clavicular p. of pectoralis major muscle pars clavicularis musculi pectoralis majoris [NA], clavicular head of pectoralis major muscle; See pectoralis major muscle.
coccygeal p. of spinal cord the terminal part of the spinal cord consisting of the three coccygeal segments of the spinal cord from which the three pairs of coccygeal nerves originate.pars coccygea medullae spinalis [NA], segmenta medullae spinalis coccygea;
cochlear p. of vestibulocochlear nerve cochlear nerve
convoluted p. of kidney lobule proximal and distal convoluted tubules and the associated renal corpuscles supplied by branches of the interlobular arteries.labyrinthus [NA], pars convoluta lobuli corticalis renis [NA], labyrinth (3), Ludwig's labyrinth, renal labyrinth;
corneoscleral p. of trabecular reticulum the anterior part of the trabecular reticulum, located between the sinus venosus sclerae, the scleral spur, and the posterior limiting membrane of the cornea.pars corneoscleralis reticuli trabecularis [NA];
cortical p. pars corticalis [NA]; See middle cerebral artery, posterior cerebral artery.
cortical p. of middle cerebral artery See middle cerebral artery.pars corticalis arteriae cerebralis mediae [NA];
costal p. of diaphragm the part of the diaphragm that arises from the inner aspect of the lower six costal cartilages and the lower four ribs and inserts on the anterolateral part of the central tendon.pars costalis diaphragmatis [NA];
cricopharyngeal p. of inferior pharyngeal constrictor See inferior constrictor muscle of pharynx.pars cricopharyngea musculi constrictoris pharyngis inferioris [NA];
cruciform p. of fibrous digital sheath the fibers of the fibrous sheath of the fingers and toes which form X-shaped patterns over the region of the interphalangeal joints.pars cruciformis vaginae fibrosae [NA], crucial ligament (4), cruciform p. of fibrous sheath, cruciform pulley, ligamenta cruciata digitorum;
cruciform p. of fibrous sheath cruciform p. of fibrous digital sheath
cupular p. of epitympanic recess the dome-shaped, highest portion of the epitympanic recess.pars cupularis recessus epitympanici [NA];
deep p. of external anal sphincter pars profunda musculi sphincteri ani externi [NA]; See external anal sphincter.
deep p. of flexor retinaculum transverse carpal ligament
deep p. of masseter muscle pars profunda musculi masseteri [NA]; See masseter muscle.
deep p. of parotid gland See parotid gland.
descending p. of aorta descending aorta
descending p. of duodenum pars descendens duodeni; See duodenum.
descending p. of facial canal second portion of the facial canal, after the horizontal parts, beginning at the posterior end of the lateral crus where the canal begins to descend. It runs vertically downward, ending at the stylomastoid foramen. Anteriorly, the descending part of the facial canal communicates with the tympanic cavity via the canaliculus for the nerve to the stapedius muscle and the posterior canaliculus of the chorda tympani. See also facial canal.
distal p. of anterior lobe of hypophysis the larger part of the adenohypophysis composed of cords of epithelial cells individually specialized to secrete various tropic hormones that exert their effect on several target organs in the body. The secretory activity of these cells is under the control of either releasing or inhibiting factors elaborated by hypothalamic neurons and transported to the adenohypophysis by the hypothalamo-hypophysial portal system.pars distalis [NA];
dorsal p. of pons the part of the pons bounded laterally by the middle cerebellar peduncles and anteriorly by the ventral part of pons; it is continuous with the tegmentum of the mesencephalon and contains long tracts such as the medial and lateral lemnisci, cranial nerve nuclei, and reticular formation.pars dorsalis pontis [NA], tegmentum of pons;
endocrine p. of pancreas See pancreas.
exocrine p. of pancreas pars exocrina pancreatis; See pancreas.
flaccid p. of tympanic membrane triangular loose p. of tympanic membrane between the malleolar folds.pars flaccida membranae tympani [NA], flaccid membrane, membrana flaccida, Rivinus' membrane, Shrapnell's membrane;
frontal p. of corpus callosum minor forceps
glossopharyngeal p. of superior pharyngeal constrictor See superior constrictor muscle of pharynx.pars glossopharyngea musculi constrictoris pharyngis superioris [NA];
hidden p. pars tecta
horizontal p. of duodenum pars horizontalis duodeni [NA], inferior p. of duodenum, pars inferior duodeni; See duodenum.
horizontal p. of facial canal first portion of facial canal, between beginning of canal (at the introitus of the facial canal at the end of the internal auditory meatus) and the point at which it turns to descend, beginning the descending part. There are two components (crura) of the horizontal part: the medially-located, anteriorly-directed medial crus and the laterally-placed, posteriorly-directed lateral crus, the two being continuous at a sharp bend, the genu of the facial canal. This lateral part is where the genicular ganglion is located and which communicates with the middle cranial fossa via the hiatus of the facial canal, through which the greater superficial petrosal nerve passes.
p.'s of human body the head, neck, trunk, and limbs.partes corporis humani [NA];
inferior p. the lowermost portion of a structure relative to the other parts; portion closest to the soles of the feet. See inferior p. of duodenum, inferior p. of lingular branch of left pulmonary vein, inferior p. of vestibular ganglion.pars inferior [NA];
inferior p. of duodenum horizontal p. of duodenum
inferior p. of lingular branch of left pulmonary vein the vein draining the inferior lingular bronchopulmonary segment of the left lung.pars inferior rami lingularis;
inferior p. of vestibular ganglion the lower part of the vestibular ganglion that receives fibers from the macula of the saccule and the ampulla of the posterior semicircular duct.pars inferior ganglii vestibularis [NA];
inferior p. of vestibulocochlear nerve cochlear nerve
infraclavicular p. of brachial plexus the part of the brachial plexus that extends from the level of the clavicle downward into the axilla; it includes the cords of the plexus and their branches.pars infraclavicularis plexus brachialis [NA];
infralobar p. of posterior branch of right pulmonary vein the vein draining the posterior segment of the right lung that emerges inferior to the superior lobe; tributary to the posterior branch of the right superior pulmonary vein.pars infralobaris rami posterioris venae pulmonalis dextrae [NA];
infrasegmental p. intersegmental veins, under vein
infundibular p. pars tuberalis
insular p. pars insularis [NA]; See middle cerebral artery.
insular p. of middle cerebral artery pars insularis arteriae cerebralis mediae; See middle cerebral artery.
intercartilaginous p. of glottic opening intercartilaginous p. of rima glottidis
intercartilaginous p. of rima glottidis the opening between the vocal processes of the arytenoid cartilages.pars intercartilaginea rimae glottidis [NA], glottis respiratoria, intercartilaginous p. of glottic opening;
intermediate p. central portion; the portion located between extreme portions of a structure; an interposed or intervening part. See intermediate p. of adenohypophysis, intermediate p. of vestibular bulb.pars intermedia [NA];
intermediate p. of adenohypophysis the part of the adenohypophysis located between the pars distalis and the nervous lobe; poorly developed in humans.pars intermedia adenohypophyseos [NA];
intermediate p. of vestibular bulb commissure of vestibular bulb
intermembranous p. of glottic opening intermembranous p. of rima glottidis
intermembranous p. of rima glottidis the portion of the opening anterior to the vocal processes of the arytenoid cartilages bounded by the vocal ligaments.pars intermembranacea rimae glottidis [NA], glottis vocalis, intermembranous p. of glottic opening;
intersegmental p. of pulmonary vein intersegmental veins, under vein
intracanicular p. of optic nerve the part of the optic nerve lying within the optic canal.pars intracanaliculus nervi optici [NA];
intracranial p. of optic nerve the portion of the optic nerve between the optic canal and the optic chiasm.pars intracranialis nervi optici [NA];
intracranial p. of vertebral artery See vertebral artery.
intralaminar p. of optic nerve the portion of the optic nerve as it passes through the lamina cribrosa of the sclera.pars intralaminaris nervi optici [NA];
intralobar p. of the right superior pulmonary vein the vein draining the apical and posterior segments of the right lung; tributary to the posterior branch of the right superior pulmonary vein.pars intralobaris venae pulmonalis dextrae superioris [NA];
intraocular p. of optic nerve the part of the optic nerve within the eye; it is divided into intralaminar, postlaminar, and prelaminar parts.pars intraocularis nervi optici [NA];
intrasegmental p. intrasegmental veins, under vein
iridial p. of retina pars iridica retinae [NA]; See retina.
labial p. of orbicularis oris muscle the major p. of the orbicularis oris muscle within the body of the lips.pars labialis musculi orbicularis oris [NA];
lacrimal p. of orbicularis oculi muscle See orbicularis oculi muscle.pars lacrimalis musculi orbicularis oculi [NA], Duverney's muscle, Horner's muscle, musculus tensor tarsi;
laryngeal p. of pharynx laryngopharynx
lateral p. of longitudinal arch of foot longitudinal arch of footpars lateralis arcus pedis longitudinalis;
lateral p. of middle lobar branch of right superior pulmonary vein the vein draining the lateral bronchopulmonary segment of the middle lobe of the right lung.pars lateralis rami lobi medii venae pulmonalis dexter superior [NA];
lateral p. of occipital bone the part of the occipital bone that lies on either side of the foramen magnum.pars lateralis ossis occipitalis [NA], exoccipital bone;
lateral p. of posterior cervical intertransversarii muscles pars lateralis musculorum intertransversariorum posteriorum cervicis; See posterior cervical intertransversarii muscles, under muscle.
lateral p. of sacrum the lateral mass of the sacrum formed by the fused costal elements.pars lateralis ossis sacri [NA];
lateral p. of vaginal fornix pars lateralis fornicis vaginae; See vaginal fornix.
lumbar p. that p. of the cord that consists of the five lumbar segments and gives rise to the five pairs of lumbar nerves.pars lumbalis medullae spinalis [NA];
lumbar p. of diaphragm the portion of the diaphragm that arises from the upper lumbar vertebrae and from the medial and lateral arcuate ligaments. See right crus of diaphragm, left crus of diaphragm, lateral arcuate ligament, medial arcuate ligament.pars lumbalis diaphragmatis [NA], vertebral p. of diaphragm;
lumbar p. of spinal cord portion of spinal cord which consists of the five lumbar segments (L1-L5) and from which five pairs of lumbar spinal nerves originate; in the adult it is located in the T10-L1 portion of the vertebral canal, and is enlarged relative to other parts of the cord due to its involvement in innervation of the lower limb.
marginal p. of orbicularis oris muscle the p. of the orbicularis oris muscle located in the margin of the lips, i.e., the red area.pars marginalis musculi orbicularis oris [NA];
mastoid p. of the temporal bone the portion of the petrous part of the temporal bone bearing the mastoid process.pars mastoidea ossis temporalis [NA];
medial p. of longitudinal arch of foot pars medialis arcus pedis longitudinalis; See longitudinal arch of foot.
medial p. of middle lobar branch of right superior pulmonary vein the vein draining the medial bronchopulmonary segment of the middle lobe of the right lung.pars medialis rami lobii medii venae pulmonis dextrae superioris [NA];
medial p. of posterior cervical intertransversarii muscles pars medialis musculorum intertransversariorum posteriorum cervicis [NA]; See posterior cervical intertransversarii muscles, under muscle.
mediastinal p. of lung mediastinal surface of lung
membranous p. of interventricular septum p. of the fibrous skeleton of the heart which is seen as a small, thin, round or oval nonmuscular area at the superior end of the interventricular septum; it lies just below and is continuous with the portion of the fibrous ring of the aortic valve supporting the anterior and posterior cusps, and with the right fibrous trigone; the atrioventricular bundle of conducting tissue courses along its dorsal margin and bifurcates at its inferior margin into the right and left crura.pars membranacea septi interventricularis [NA], membranous septum (2), septum membranaceum ventriculorum;
membranous p. of male urethra [NA] the portion of the male urethra, about 1 cm in length, extending from the prostate to the beginning of the urethra in the corpus spongiosum just beyond the bulb.pars membranacea urethrae masculinae [NA], membranous urethra;
membranous p. of nasal septum the small portion of the nasal septum anterior to the portion supported by the cartilage of the nasal septum.pars membranacea septi nasi [NA], membranous septum (1);
mobile p. of nasal septum the anterior movable part of the nasal septum formed by the medial crus of the greater alar cartilage on each side.pars mobilis septi nasi [NA], septum mobile nasi;
muscular p. of interventricular septum of heart the thick muscular portion which comprises most of the interventricular septum of the heart.pars muscularis septi interventricularis cordis [NA], septum musculare ventriculorum;
mylopharyngeal p. of superior pharyngeal constrictor See superior constrictor muscle of pharynx.pars mylopharyngeus musculi constrictoris pharyngis superioris [NA];
nasal p. of frontal bone nasal portion of the frontal bone which lies between the two orbital parts anteriorly and forms part of the roof of the nasal cavity.pars nasalis ossis frontalis [NA];
nasal p. of pharynx nasopharynx
nervous p. of retina pars nervosa retinae [NA]; See retina.
neural p. of hypophysis neurohypophysis
oblique p. of cricothyroid muscle See cricothyroid muscle.pars obliqua musculi cricothyroidei [NA];
occipital p. of corpus callosum major forceps
opercular p. one of the three small cortical convolutions together forming a cover for the insular region. Opercular convolutions are frontal, temporal, and parietal.pars opercularis;
optic p. of retina cerebral layer of retina
oral p. of pharynx oropharynx
orbital p. of frontal bone the portion of the frontal bone that contributes to the formation of the orbits; the most rostral of three cortical convolutions that togetther form the inferior frontal gyrus.pars orbitalis ossis frontalis [NA];
orbital p. of lacrimal gland See lacrimal gland.
orbital p. of optic nerve the part of the optic nerve between the eye and the optic canal.pars orbitalis nervi optici [NA];
orbital p. of orbicularis oculi muscle pars orbitalis musculi orbicularis oculi See orbicularis oculi muscle.
osseous p. of skeletal system the part of the skeleton composed of bone.pars ossea systematis skeletalis [NA];
palpebral p. of lacrimal gland pars palpebralis glandulae lacrimalis [NA]; See lacrimal gland.
palpebral p. of orbicularis oculi muscle pars palpebralis musculi orbicularis oculi [NA]; See orbicularis oculi muscle.
parasympathetic p. the parasympathetic p. of the autonomic nervous system. See autonomic nervous system.pars parasympathica [NA], bulbosacral system, craniosacral system;
pelvic p. the portion of a structure which is located within or is related to the pelvis. See pelvic p. of ureter.pars pelvina;
pelvic p. of ureter the p. of the ureter between the brim of the pelvis and the urinary bladder; the upper pelvic portion of the embryologic urogenital sinus.pars pelvina ureteris [NA];
peripheral p. peripheral nervous system
petrous p. of internal carotid artery the part of the internal carotid artery in the carotid canal; its branches are carotidotympanic arteries and the artery of the pterygoid canal.pars petrosa arteriae carotidis internae [NA], petrous bone;
petrous p. of temporal bone the part of the temporal bone that contains the structures of the inner ear and the second part of the internal carotid artery; in antenatal life it appears as a separate ossification center.pars petrosa ossis temporalis [NA], periotic bone, petrosal bone, petrous pyramid;
pigmented p. of retina pars pigmentosa [NA]; See retina.
postcommunical p. of anterior cerebral artery pericallosal artery
posterior p. the posterior portion of the anterior commissure of the brain.
posterior p. of the diaphragmatic surface of the liver that portion of the diaphragmatic surface of the liver that includes the bare area and the caudate lobe.pars posterior faciei diaphragmatis hepatis [NA];
posterior tibiotalar p. of deltoid ligament posterior tibiotalar ligament
postlaminar p. of optic nerve the portion of the optic nerve posterior to the lamina cribrosa of the sclera.pars postlaminaris nervi optici [NA];
postsulcal p. of tongue See dorsum of tongue.
precommunical p. of anterior cerebral artery pars precommunicalis arteriae cerebri anterior [NA]; See anterior cerebral artery.
prelaminar p. of optic nerve the portion of the optic nerve anterior to the lamina cribrosa of the sclera.pars prelaminaris nervi optici [NA];
presulcal p. of tongue See dorsum of tongue.
prevertebral p. of vertebral artery See vertebral artery.
pterygopharyngeal p. of superior constrictor muscle of pharynx pars pterygopharyngea musculi constrictoris pharyngis superioris [NA]; See superior constrictor muscle of pharynx.
pyloric p. of stomach that portion of the stomach between the angular notch and the pylorus; its mucosa contains pyloric glands.pars pylorica gastris [NA], pars pylorica ventriculi [NA];
quadrate p. of liver the part of the medial segment of the liver which includes the quadrate lobe.pars quadrata hepatis [NA];
retrolenticular p. of internal capsule that portion of the capsule caudal to the lentiform nucleus which contains large parts of the optic or geniculocalcarine radiation and other fiber systems.pars retrolentiformis capsulae internae [NA], retrolenticular limb of internal capsule;
right p. of diaphragmatic surface of liver the part of the diaphragmatic surface of the liver deep to the bodies of the lower ribs on the right side.pars dextra faciei diaphragmaticae hepatis [NA];
sacral p. of spinal cord the part of the cord from which consists of the five sacral segments of the spinal cord (S1-S5) and from which five pairs of sacral nerves originate.pars sacralis medullae spinalis [NA], segmenta medullae spinalis sacralia;
soft p.'s the nonbony and noncartilaginous tissues of the body.
sphenoidal p. of middle cerebral artery pars sphenoidalis arteriae cerebralis mediae [NA]; See middle cerebral artery.
spinal p. of accessory nerve spinal root of accessory nerve
spinal p. of arachnoid arachnoid of spinal cord
spongy p. of the male urethra spongy urethra
squamous p. of frontal bone the broad curved portion of the frontal bone forming the forehead.squama frontalis [NA];
squamous p. of occipital bone the tabular or squamous portion of occipital bone.squama occipitalis, occipital squama [NA], frontal squama;
squamous p. of temporal bone the broad, flat, thin (scale-like) anterior and superior portion of the temporal bone forming part of the lateral wall of the cranial vault.pars squamosa ossis temporalis [NA], squama temporalis, temporal squama;
sternal p. of diaphragm the small slip on each side that arises from the inner surface of the xiphoid process and inserts on the central tendon.pars sternalis diaphragmatis [NA];
sternocostal p. of pectoralis major muscle pars sternocostalis musculi pectoralis majoris [NA], sternocostal head of pectoralis major muscle; See pectoralis major muscle.
straight p. of cricothyroid muscle See cricothyroid muscle.
subcutaneous p. of external anal sphincter pars subcutanea musculi sphincteri ani externi [NA], subcutaneous portion of external anal sphincter; See external anal sphincter.
sublenticular p. of internal capsule the part of the internal capsule below the caudal third of the lentiform nucleus that contains the auditory radiation as well as that part of the optic radiation representing the upper part of the contralateral half of the binocular visual field.pars sublentiformis capsulae internae [NA], sublenticular limb of internal capsule;
suboccipital p. of vertebral artery See vertebral artery.
superficial p. of duodenum See duodenum.
superficial p. of external anal sphincter pars superficialis musculi sphincteri ani externi; See external anal sphincter.
superficial p. of masseter muscle pars superficialis musculi masseteri; See masseter muscle.
superficial p. of parotid gland pars superficialis glandulae parotideae; See parotid gland.
superior p. of diaphragmatic surface of liver the convex superior portion of the diaphragmatic surface of the liver.pars superior faciei diaphragmaticae hepatis;
superior p. of duodenum pars superior duodeni [NA]; See duodenum.
superior p. of lingular branch of left pulmonary vein the vein that drains the superior lingular bronchopulmonary segment of the left lung.pars superior rami lingularis venae pulmonis sinistri [NA];
superior p. of vestibular ganglion rostral part, the superior part of the vestibular ganglion that receives fibers from the maculae of the utricle and the saccule and the ampullae of the anterior and lateral semicircular ducts.pars superior ganglii vestibularis [NA];
superior p. of vestibulocochlear nerve vestibular nerve
supraclavicular p. of brachial plexus the part of the brachial plexus, including the roots, trunks, and divisions, that gives rise to the dorsal scapular, long thoracic, suprascapular and subclavian nerves.pars supraclavicularis plexus brachialis [NA];
sympathetic p. sympathetic nervous system
tense p. of the tympanic membrane the greater portion of the tympanic membrane which is tense and firm, contrasting with the small triangular flaccid part of tympanic membrane.pars tensa membranae tympani [NA], membrana tensa, membrana vibrans;
terminal p. pars terminalis See middle cerebral artery, posterior cerebral artery.
thoracic p. of aorta thoracic aorta
thoracic p. of esophagus the p. of the esophagus between the superior thoracic aperture and the diaphragm.pars thoracica esophagi [NA];
thoracic p. of spinal cord the p. of the spinal cord which consists of the twelve thoracic segments of the spinal cord from which the twelve pairs of thoracic nerves originate.pars thoracica medullae spinalis [NA], segmenta medullae spinalis thoracica;
thoracic p. of thoracic duct pars thoracica ductus thoracici [NA]; See thoracic duct.
thyropharyngeal p. of inferior pharyngeal constrictor muscle pars thyropharyngea musculi constrictoris pharyngis inferioris [NA]; See inferior constrictor muscle of pharynx.
tibiocalcaneal p. of deltoid ligament tibiocalcaneal ligament
tibionavicular p. of deltoid ligament tibionavicular ligament
transversarial p. of vertebral artery See vertebral artery.
transverse p. of left branch of portal vein the long unbranched portion of the left branch of the portal vein.pars transversa rami sinistri venae portae hepatis [NA];
transverse p. of nasalis muscle See nasalis muscle.pars transversa musculi nasalis [NA];
triangular p. the middle one of three small convolutions which together compose the inferior frontal gyrus of the cerebral cortex; the other two being the orbital part and opercular part.pars triangularis;
tympanic p. of temporal bone tympanic plate of temporal bone
umbilical p. of left branch of portal vein the highly branched part of the left branch of the portal vein; the round and venous ligaments attach to this part.pars umbilicalis rami sinistri venae portae hepatis [NA];
uterine p. of uterine tube the part of the uterine tube located within the wall of the uterus.pars uterina tubae uterinae [NA];
uveal p. of trabecular reticulum the posterior part of the trabecular reticulum, located between the scleral spur, the ciliary body, and the anterior surface of the iris.pars uvealis reticuli trabecularis [NA];
vagal p. cranial root of accessory nerve
vagal p. of accessory nerve cranial root of accessory nerve
ventral p. of pons the large ventral p. of the pons occupied by the nuclei pontis, traversed longitudinally by corticopontine, corticobulbar, and corticospinal fibers, and transversely by pontocerebellar fibers. Pontocerebellar fibers converging laterally form the middle cerebellar peduncle or brachium pontis.pars ventralis pontis [NA], anterior p. of pons, basilar p. of pons, pars basilaris pontis;
vertebral p. of the costal surface of the lungs the p. of the medial surface of the lung in contact with the vertebral bodies.pars vertebralis faciei costalis pulmonis [NA];
vertebral p. of diaphragm lumbar p. of diaphragm
vestibular p. of vestibulocochlear nerve vestibular nerve

 

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