polar body (redirected fromPolar bodies) Thesaurus Medical Legal Financial Encyclopedia polar body n. Either of two small cells produced during the first and second meiotic divisions in the development of an oocyte, containing little cytoplasm and eventually degenerating. ...
polar body noun : a cell that separates from the immature ovum during meiosis and that contains a nucleus produced in the first or second division of meiosis but very little cytoplasm Medical Definition polar body noun : a cell that separates from an oocyte during meiosis: a : one ...
During meiosis I, the primary oocyte divides to produce a larger secondary oocyte and a much smaller primary polar body. Both the secondary oocyte and the polar body then undergo meiosis II, resulting in one mature ovum and additional polar bodies. The uneven division of cytoplasm creates a sig...
any of the plantigrade, carnivorous or omnivorous mammals of the family Ursidae, having massive bodies, coarse heavy fur, relatively short limbs, and almost rudimentary tails. any of various animals resembling the bear, as theant bear.
The meaning of IMPACT is an impinging or striking especially of one body against another. How to use impact in a sentence. Is impact a verb? Synonym Discussion of Impact.
Indeed, practically all types of Northern Hemisphere plants, except those of the polar tundra, are found in China, and, despite the continuous inroads of humans over the millennia, China still is home to some of the world’s most exotic animals. Probably the single most identifiable ...
The Freudian theory of development with Erikson’s modifications provides for a succession of drive-control (inner and environmental) interactions. These can be fit into a schema of polar attitudes that develop in progressive stages of a person’s life, creating a conflict at each stage which sho...
paraaortic b's see para-aortic bodies. pineal body see pineal body. pituitary body pituitary gland. polar b's 1. the small cells consisting of a tiny bit of cytoplasm and a nucleus; they result from unequal division of the primary oocyte (first polar body) and, if fertilization occurs,...
They usually empty in an ocean or a lake whereas lakes and ponds represent the stationary forms of freshwater. Oceans are saltwater bodies that span around most of the surface of the earth, Various living species live in marine biomes, in deep oceans, there is insufficient light to support ...
Cohesion is important in water because the intrinsic molecular structure of H2O allows water to exist as liquid at room temperature. Also, cohesion causes ice to float which if it did not would not allow the ecosystem to exist that lives beneath frozen bodies of water. Why does water adhesion...