MICROPYLE
micropyle
(noun) minute opening in the wall of an ovule through which the pollen tube enters
Source: WordNet® 3.1
Etymology
Noun
micropyle (plural micropyles)
(botany) In seed-bearing plants, a small opening in the integuments of the ovule through which sperm are able to access the ovum.
(zoology) The hilum of an ovum at the point of attachment to the ovary; any opening in the coverings of an ovum by which spermatozoa may find entrance.
Anagrams
• coprimely, polymeric
Source: Wiktionary
Mi"cro*pyle, n. Etym: [Micro- + Gr. 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
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