vegetal pole

pole (pōl)

1. either extremity of any axis, as of the fetal ellipse or a body organ.

2. either one of two points which have opposite physical qualities.po´lar

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animal pole 

1. the site of an oocyte to which the nucleus is approximated, and from which the polar bodies pinch off.

2. in nonmammalian species, the pole of an egg less heavily laden with yolk than the vegetal pole and exhibiting faster cell division.

cephalic pole  the end of the fetal ellipse at which the head of the fetus is situated.

frontal pole of cerebral hemisphere  the most prominent part of the anterior end of each hemisphere.

germinal pole  animal p.

occipital pole of cerebral hemisphere  the posterior end of the occipital lobe.

pelvic pole  the end of the fetal ellipse at which the breech of the fetus is situated.

temporal pole of cerebral hemisphere  the prominent anterior end of the temporal lobe.

vegetal pole  that pole of an oocyte at which the greater amount of food yolk is deposited.

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vegetal pole

n.

The part of a telolecithal egg in which the bulk of the yolk is situated. Also called vitelline pole.

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vegetal pole

[vej′ətəl]

Etymology: L, vegetare + polus, pole

the relatively inactive part of an ovum where the yolk is situated, usually opposite the animal pole. Also called antigerminal pole, vegetative pole. Compare animal pole.