| micropyle | 1. Small hole or aperture in the protective tissue surrounding a plant ovule, through which the pollen tube enters at fertilization. Develops into a small hole in the seed coat through which, in many cases water enters at germination. 2. Perforation in the shell (chorion) of an insect egg through which the sperm enters at fertilization. (18 Nov 1997) |
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| micropyle |
minute opening in the wall of an ovule through which the pollen tube enters
Ãâó: wordnet.princeton.edu/perl/webwn
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| micropyle |
1. A small opening in the surface of a plant ovule through which the pollen tube passes prior to fertilization.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E16.htm
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| micropyle |
An opening at the distal pole of the ovule through which the pollen tube enters to effect double fertilization.
Ãâó: www.nature.com/nrg/journal/v3/n2/glossary/nrg730_g...
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| micropyle |
[my-KROW-ile] a tiny hole in the tough outer covering of an insect egg that allows entry of male sperm.
Ãâó: members.aol.com/YESedu/glossary.html
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| micropyle |
In nematodes: A minute opening in the membrane of an egg through which the spermatozoa enter. (14)
Ãâó: ppathw3.cals.cornell.edu/glossary/Defs_M.htm
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| micropyle | minute opening in the wall of an ovule through which the pollen tube enters |
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