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pole

pole (pol)

1. One of the two points at the extremities of the axis of any organ or body. 2. Either of the two points on a sphere at the greatest distance from the equator. 3. One of the two points in a magnet or an electric battery or cell having extremes of opposite properties; the negative p. is a cathode, the positive p. an anode.polus [NA]; [L. polus, the end of an axis, pole, fr. G. polos]
abapical p. in an ovum, the p. opposite the animal p. (i.e., vegetal p.).
animal p. the point in a telolecithal egg opposite the yolk, where most of the protoplasm is concentrated and where the nucleus is located; from this region, the polar bodies are extruded during maturation.germinal p;
anterior p. of eyeball the center of the corneal curvature of the eye.polus anterior bulbi oculi [NA];
anterior p. of lens the central point on the anterior surface of the lens of the eye.polus anterior lentis [NA];
cephalic p. the head end of the fetus.
frontal p. frontal p. of cerebrum
frontal p. of cerebrum the most anterior promontory of each cerebral hemisphere.polus frontalis cerebri [NA], frontal p;
germinal p. animal p
inferior p. for a structure having a vertically-oriented long axis, the point at the lower end of the axis, nearest the soles of the feet; the lowest point of a structure's surface. See inferior p. of kidney, inferior p. of testis.extremitas inferior [NA], inferior extremity (1);
inferior p. of kidney the inferior end of the kidney.extremitas inferior renis [NA];
inferior p. of testis the inferior end of the testis.extremitas inferior testis [NA];
lateral p. tubal extremity of ovary
medial p. of ovary uterine extremity of ovary
occipital p. occipital p. of cerebrum
occipital p. of cerebrum the most posterior promontory of each cerebral hemisphere; the apex of the occipital lobe.polus occipitalis cerebri [NA], occipital p;
pelvic p. the breech end of the fetus.
posterior p. of eyeball the center of the posterior curvature of the eye.polus posterior bulbi oculi [NA];
posterior p. of lens the central point on the posterior surface of the lens.polus posterior lentis [NA];
superior p. for a structure having a vertically oriented long axis, the point at the upper end of the axis, furthest from the soles of the feet; the highest point of a structure's surface. See superior p. of kidney, superior p. of testis.extremitas superior [NA], superior extremity (1);
superior p. of kidney the superior end of the kidney.extremitas superior renis [NA];
superior p. of testis the superior end of the testis.extremitas superior testis [NA];
temporal p. temporal p. of cerebrum
temporal p. of cerebrum the most prominent part of the anterior extremity of the temporal lobe of each cerebral hemisphere, a short distance below the fissure of Sylvius.polus temporalis cerebri [NA], temporal p;
vegetal p. , vegetative p. the part of a telolecithal egg where the bulk of the yolk is situated.
vitelline p. the vegetative p. of an ovum.

 

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