Botany. An opening in the integument of an ovule, through which the pollen tube penetrates to the embryo sac. Also: the small pore in the ripe seed…
单词 | θ21894 |
释义 | the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > ovule > micropyle (2) micropyle1821 Botany. An opening in the integument of an ovule, through which the pollen tube penetrates to the embryo sac. Also: the small pore in the ripe seed… pyle1890 A small orifice or aperture; a pore. |
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