micropyle
mi·cro·pyle
noun \ˈmī-krə-ˌpī(-ə)l\Definition of MICROPYLE
1
: a minute opening in the integument of an ovule of a seed plant
2
: a differentiated area of surface in an egg through which a sperm enters
— mi·cro·py·lar \ˌmī-krə-ˈpī-lər\ adjective
Origin of MICROPYLE
French, from micr- + Greek pylē gate
First Known Use: 1821
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