| 释义 |
animal pole
animal polen. Embryology The portion of an egg that is opposite the vegetal pole, that contains the nucleus and most of the cytoplasm, and from which polar bodies are extruded during maturation.an′imal pole`
n. the formative part of an ovum, opposite the vegetal pole, that contains the nucleus and most cytoplasm. [1885–90] animal pole
animal pole[′an·ə·məl ‚pōl] (cell and molecular biology) The region of an ovum which contains the least yolk and where the nucleus gives off polar bodies during meiosis. animal pole
an·i·mal polethe point in a telolecithal oocyte (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. Synonym(s): germinal poleanimal polen. Embryology The portion of an egg that is opposite the vegetal pole, that contains the nucleus and most of the cytoplasm, and from which polar bodies are extruded during maturation.an·i·mal pole (an'i-măl pōl) The point in a telolecithal egg opposite the yolk, it is the site of the nucleus and most of the protoplasm; from this region, polar bodies are extruded during maturation.
Synonym(s): germinal pole.  Fig. 36 Animal pole . The animal pole in a generalized ovum. animal pole the point on the surface of an animal ovum nearest to the nucleus and normally at the opposite side of the egg from the aggregation of yolk droplets at the VEGETAL POLE.FinancialSeePoleThesaurusSeepole |