border

border (bor´der)

The part of a surface that forms its outer boundary. See also edge, margin, border.margo [NA];
alveolar b. 1. the most occlusal edge of the alveolar bone; 2. alveolar process
anterior b. the ventral or most forward margin of a structure.anterior margin, ventral b;
anterior b. of eyelids the anterior edge of the free margin of each eyelid, along close to which the eyelashes are embedded.limbus palpebrales anteriores [NA];
anterior b. of fibula a ridge on the shaft of the fibula to which is attached the anterior intermuscular septum of the leg.margo anterior fibulae [NA];
anterior b. of lung the thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces.margo anterior pulmonis [NA];
anterior b. of pancreas the sharp margin between the anterior and inferior surfaces of the pancreas.margo anterior pancreatis [NA];
anterior b. of radius the ridge on the shaft of the radius extending from the radial tuberosity to the anterior part of the styloid process.margo anterior radii [NA];
anterior b. of testis an imaginary convex line demarcating the lateral and medial surfaces.margo anterior testis [NA];
anterior b. of tibia the sharp subcutaneous ridge of the tibia that extends from the tuberosity to the anterior part of the medial malleolus.margo anterior tibiae [NA], anticnemion, shin, tibial crest;
anterior b. of ulna the ridge on the body of the ulna that extends from the tuberosity to the anterior part of the styloid process.margo anterior ulnae [NA];
brush b. the apical epithelial surface bearing closely packed microvilli about 2 mum long, such as occur on the cells of the proximal tubule of the nephron.limbus penicillatus;
ciliary b. of iris the peripheral b. of the iris attached to the ciliary body.margo ciliaris iridis [NA], ciliary margin of iris;
denture b. 1. the limit or boundary or circumferential margin of a denture base; 2. the margin of the denture base at the junction of the polished surface with the impression (tissue) surface; 3. the extreme edges of a denture base at the buccolabial, lingual, and posterior limits.denture edge, periphery (2);
b.'s of eyelids the anterior and posterior edges of the free margin of the upper and lower eyelids.limbi palpebrales [NA];
free b. unattached edge of a sturcture, often opposite the attached edge. See free b. of nail, free b. of ovary.margo liber [NA], free margin;
free b. of nail the distal b. of the nail that overhangs the tip of the digit.margo liber unguis [NA];
free b. of ovary the unattached, posterior margin of the ovary.margo liber ovarii [NA];
frontal b. edge of a bone which articulates with the frontal bone. See frontal b. of parietal bone, frontal b. of sphenoid bone.margo frontalis [NA], frontal margin;
frontal b. of parietal bone the margin of the parietal bone that articulates with the frontal bone.margo frontalis ossis parietalis [NA];
frontal b. of sphenoid bone the margin of the greater wing of the sphenoid bon that articulates with the frontal bone.margo frontalis ossis sphenoidalis [NA];
inferior b. the caudal or lowermost margin of a structure.inferior margin, margo inferior;
inferior b. of liver the sharp border of the liver that separates the diaphragmatic and visceral surfaces.margo inferior hepatis [NA];
inferior b. of lung the sharp border of the lung that separates the diaphragmatic surface from the costal and mediastinal surfaces.margo inferior pulmonis [NA];
inferior b. of pancreas the border of the pancreas separating the inferior and posterior surfaces.margo inferior pancreatis [NA], margo inferior splenis [NA];
interosseous b. edge of a bone to which a fibrous (interosseous) membrane is attached, by which the bone becomes attached to another bone. See interosseous b. of fibula, interosseous b. of radius, interosseous b. of tibia, interosseous b. of ulna.margo interosseus [NA], interosseous crest, interosseous margin;
interosseous b. of fibula the ridge along the medial b. of the fibula to which is attached the interosseous membrane.margo interosseus fibulae [NA];
interosseous b. of radius the ridge along the medial side of the radius to which is attached the interosseous membrane.margo interosseus radii [NA];
interosseous b. of tibia the ridge along the lateral b. of the tibia to which is attached the interosseous membrane.margo interosseus tibiae [NA];
interosseous b. of ulna the ridge along the lateral side of the body of the ulna to which is attached the interosseous membrane.margo interosseus ulnae [NA];
lacrimal b. of maxilla the margin of the nasal surface of the maxilla that articulates with the lacrimal bone.margo lacrimalis maxillae [NA], lacrimal margin of maxilla;
lambdoid b. of occipital bone the margin of the occipital squama that articulates with the parietal bones in the lambdoid suture.margo lambdoideus squamae occipitalis [NA], lambdoid margin of occipital bone;
lateral b. the margin or edge of a structure which is farthest from the midline.margo lateralis [NA], lateral margin;
lateral b. of foot the border of the foot between the small toe and the heel.margo lateralis pedis [NA], margo fibularis pedis, fibular margin of foot;
lateral b. of forearm an imaginary line running along the outermost extent of the forearm separating anterior and posterior surfaces laterally.margo lateralis antebrachii [NA], margo radialis antebrachii, radial b. of forearm;
lateral b. of humerus the ridge on the humerus that extends from the greater tubercle to the lateral epicondyle.margo lateralis humerii [NA];
lateral b. of kidney the convex narrow edge separating the anterior and posterior surfaces.margo lateralis renis [NA];
lateral b. of nail the sides of the nail extending from the proximal to the free borders.margo lateralis unguis [NA];
lateral b. of scapula the edge of the scapula extending from the glenoid fossa to the inferior angle.margo lateralis scapulae [NA];
mastoid b. of occipital bone the margin of the occipital squama that articulates with the temporal bone.margo mastoideus squamae occipitalis [NA], mastoid margin of occipital bone;
medial b. the b. of a structure closest to the medial plane.margo medialis [NA], medial margin;
medial b. of foot the inner b. of the foot extending from heel to the great toe.margo medialis pedis [NA], margo tibialis pedis [NA], tibial b. of foot;
medial b. of forearm an imaginary line extrapolated from the medial epicondyle of the humerus to the styloid process of the ulna, forming a b. between the anterior and posterior surfaces.margo medialis antebrachii [NA], margo ulnaris antebrachii [NA], ulnar margin of forearm;
medial b. of humerus the ridge on the humerus extending from the crest of the lesser tubercle to the medial epicondyle.margo medialis humerii [NA];
medial b. of kidney the concave b. of the kidney.margo medialis renis [NA];
medial b. of scapula the edge of the scapula closest to the vertebral column, extending from superior angle to inferior angle.margo medialis scapulae, vertebral b. of scapula;
medial b. of suprarenal gland the paravertebral edge of the suprarenal gland.margo medialis glandulae suprarenalis [NA];
medial b. of tibia the rounded b. of the tibia that separates the posterior and medial surfaces.margo medialis tibiae [NA];
mesovarian b. of ovary the border of the ovary to which the mesovarium is attached.margo mesovaricus ovarii [NA], mesovarian margin of ovary;
nasal b. of frontal bone the border of the frontal bone that articulates with the nasal bones.margo nasalis ossis frontalis [NA], nasal margin of frontal bone;
occipital b. edge of a bone which articulates with the occipital bone. See occipital b. of parietal bone, occipital b. of temporal bone.margo occipitalis [NA], occipital margin;
occipital b. of parietal bone the posterior margin of the parietal bone that articulates with the occipital squama.margo occipitalis ossis parietalis [NA];
occipital b. of temporal bone that part of the temporal bone that articulates with the occipital squama.margo occipitalis ossis temporalis [NA];
occult b. of nail proximal b. of nail
parietal b. edge of a bone which articulates with the parietal bone. See parietal b. of frontal bone, parietal b. of sphenoid bone, parietal b. of temporal bone.margo parietalis [NA], parietal margin;
parietal b. of frontal bone the margin of the frontal bone that articulates with the parietal bone.margo parietalis ossis frontalis [NA];
parietal b. of sphenoid bone the margin of the greater wing of the sphenoid that articulates with the parietal bone.margo parietalis ossis sphenoidalis [NA];
parietal b. of temporal bone the b. of the squamous part of the temporal bone that articulates with the parietal bone.margo parietalis ossis temporalis [NA];
posterior b. of eyelids the posterior edge of the free margin of each eyelid, which is also the border of the conjunctiva.
posterior b. of fibula the ridge on the posterior aspect of the fibula extending from the head to the medial aspect of the peroneal groove.margo posterior fibulae [NA];
posterior b. of petrous part of temporal bone the margin of the petrous part of the temporal bone that extends from the apex to the jugular notch; it articulates with the basal and jugular portions of the occipital bone.margo posterior partis petrosae ossis temporalis [NA];
posterior b. of radius the ridge on the radius that extends from the tuberosity to the tubercle on the posterior aspect of the distal extremity.margo posterior radii [NA];
posterior b. of testis the rounded posterior portion of the testis into which the vessels enter.margo posterior testis [NA];
posterior b. of ulna the sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from near the olecranon to the styloid process, demarcating "anterior" (flexor) from "posterior" (extensor) compartments of forearm.margo posterior ulnae [NA];
proximal b. of nail the proximal border of the nail entirely covered by the nail wall.margo occultus unguis [NA], occult b. of nail;
pupillary b. of iris the inner border of the iris that forms the edge of the pupil.margo pupillaris iridis [NA], pupillary margin of iris;
radial b. of forearm lateral b. of forearm
right b. of heart the b. between the sternocostal and diaphragmatic surfaces of the heart; it is fairly well defined in fixed hearts but is rounded and indefinite in the living heart.margo dexter cordis [NA], right margin of heart;
sagittal b. of parietal bone the medial border of the parietal bone entering into the sagittal suture.margo sagittalis ossis parietalis [NA];
sphenoidal b. of temporal bone the part of the border of the squamous part of the temporal bone that articulates with the greater wing of the sphenoid.margo sphenoidalis ossis temporalis [NA];
squamous b. edge of a bone which articulates with the squamous part of the temporal bone. See squamous b. of parietal bone, squamous b. of sphenoid bone.margo squamosus [NA], squamous margin;
squamous b. of parietal bone the lateral b. of the parietal bone that articulates with the squamous part of the temporal bone.margo squamosus ossis parietalis [NA];
squamous b. of sphenoid bone the margin of the greater wing of the sphenoid bone that articulates with the squamous part of the temporal bone.margo squamosus ossis sphenoidalis [NA];
striated b. the free surface of the columnar absorptive cells of the intestine formed by closely packed microvilli about 1 mum long, giving the appearance of parallel striations.limbus striatus;
superior b. the cranial or uppermost margin of a structure.
superior b. of pancreas the uppermost border of the body of the pancreas that separates the anterior and posterior surfaces.margo superior pancreatis [NA];
superior b. of petrous part of temporal bone the margin that separates the anterior and posterior surfaces of the petrous part of the temporal bone and the lateral part of the middle cranial fossa from the posterior cranial fossa.margo superior partis petrosae ossis temporalis [NA], crest of petrous part of temporal bone;
superior b. of scapula the margin of the scapula that extends from the glenoid fossa to the superior angle.margo superior scapulae [NA];
superior b. of spleen the notched border of the spleen that separates the gastric and disphragmatic surfaces.margo superior splenis [NA];
superior b. of suprarenal gland the border of the suprarenal gland at the superior junction of the anterior and posterior surfaces.margo superior glandulae suprarenalis [NA];
tibial b. of foot medial b. of foot
b. of uterus the right or left margin of the uterus along which the broad ligament is attached. The uterine tube and round ligament attach to the uterus at the upper part of the border.margo uteri [NA];
ventral b. anterior b
vermilion b. the red margin of the upper and lower lip that commences at the exterior edge of the intraoral labial mucosa ("moist line") and extends outward, terminating at the extraoral labial cutaneous junction; a thinly keratinized type of stratified squamous epithelium deeply penetrated by well-vascularized dermal papillae which show through the translucent epidermis to impart the typical red appearance of the lips.vermilion zone, vermilion transitional zone;
vertebral b. of scapula medial b. of scapula
zygomatic b. of greater wing of sphenoid bone the border of the greater wing of the sphenoid that articulates with the zygomatic bone.margo zygomaticus alae majoris [NA], zygomatic margin of greater wing of sphenoid bone;

 

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