Advertisement
Advertisement
polar body
noun
- one of the minute cells arising from the unequal meiotic divisions of the ovum at or near the time of fertilization.
polar body
noun
- physiol a tiny cell containing little cytoplasm that is produced with the ovum during oogenesis when the oocyte undergoes meiosis
polar body
- One of the small cells that are produced during the development of an oocyte and ultimately degenerate. A polar body contains one of the nuclei derived from the first or second meiotic division but little or no cytoplasm.
- See Note at oogenesis
Discover More
Word History and Origins
Origin of polar body1
Discover More
Example Sentences
The discovery by Btschli of the spindle and its relation to the polar body has been of very great value.
At one point is situated a polar body and usually at the pole opposite to it a corresponding prominence.
In the meantime, typically, a third polar body is formed by division of the first.
In consequence both remain in the egg or both pass into the polar body.
In Fig. 10b the chromosomes are seen paired and ready for the first division; that is, for the formation of the first polar body.
Advertisement
Word of the Day
[gal-uh-maw-free ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse