详细释义
Noun:
-
basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
-
one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
双语例句
- 1. With the embryo development, most of the endosperm degenerated, and the cells near chalaza entered the chalaza, digested it and further nourished the embryo.
- 合点端的胚乳细胞则侵入合点珠心组织，为胚进一步发育提供营养。
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- 2. When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .
- 当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。
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- 3. When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .
- 当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。
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