polar body

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Related to polar cell: Coriolis effect, air circulation

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

n
(Biology) physiol a tiny cell containing little cytoplasm that is produced with the ovum during oogenesis when the oocyte undergoes meiosis

po′lar bod′y


n.
one of the minute cells arising from the unequal meiotic divisions of the ovum at or near the time of fertilization.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polar body - a small cell containing little cytoplasm that is produced along with the oocyte and later discarded
cell - (biology) the basic structural and functional unit of all organisms; they may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
References in periodicals archive ?
Tenders are invited for Supply of pdt bi polar cell element
At the poles, a similar loop, called a polar cell, occurs in the same direction--cooling air at the poles moves toward the earth's surface and then moves southward along the surface until it is heated and rises at about 60 degrees north latitude (most of Alaska and all but the very tip of Greenland are north of 60 degrees).
Hadley, Ferrel and polar cells, and chaos theory are all explained ably and engagingly.