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micropyle

XDict

卵孔; 珠孔

PyDict

卵孔; 珠孔

WordNet (r) 3.0 (2006) (WordNet)

micropyle
n 1: minute opening in the wall of an ovule through which the
pollen tube enters

The Collaborative International Dictionary of English v.0.48 (gcide)

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.
[1913 Webster]

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单词	字典	翻译
micropyle	查看　micropyle　在百度字典中的解释	百度英翻中〔查看〕
micropyle	查看　micropyle　在Google字典中的解释	Google英翻中〔查看〕
micropyle	查看　micropyle　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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