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micropyle |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Micropyle \Mi"cro*pyle\, n. [Micro- + Gr ? gate, orifice: cf F. micropyle.] (Biol.) a An opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted. b An opening in the outer coat of a seed, through which the fecundating pollen enters the ovule. -- {Mi*crop"y*lar}, a. From WordNet r 1.6 [wn]: micropyle n : minute opening in the wall of an ovule through which the pollen tube enters
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