one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
chalaza 例句
英汉例句
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 .