| 单词 | micropyle |
| 释义 | micropyle (once / 246236 pages) n WORD FAMILY micropyle USAGE EXAMPLESInverted and straight, with the micropyle next the hilum and the radicle consequently inferior. Gray, Asa, The Manual of the Botany of the Nor...(2012) At one end a cap-like portion of this forms a detachable operculum, in the middle of which is a minute opening, the micropyle. Various, Encyclopaedia Britannica, 11th Edit...(2012) A young ovule consists of a conical nucellus surrounded by a single integument terminating as a two-lipped micropyle. Various, Encyclopaedia Britannica, 11th Edit...(2011) n minute opening in the wall of an ovule through which the pollen tube enters Hyper aperture a natural opening in something |
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