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1. (n.) micropyle
the surface of the membrane through which sperm is transported to the ovum in fertilization.
2. micropyle
the opening in a seed plant ovule through which the pollen tube reaches the embryo.
Etymology: (1815–25; micro - + Gk pýlē gate)
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| Definition of 'micropyle' |
Princeton's WordNet |
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1. (noun) micropyle
minute opening in the wall of an ovule through which the pollen tube enters
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| Definition of 'micropyle' |
Webster Dictionary |
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1. (noun) micropyle
an opening in the membranes surrounding the ovum, by which nutrition is assisted and the entrance of the spermatozoa permitted
2. (noun) micropyle
an opening in the outer coat of a seed, through which the fecundating pollen enters the ovule
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| Alternative search options for 'micropyle' |
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Definitions of micropyle 
