- chalaza - basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
--1 is a kind of plant part, plant structure
--1 is a part of ovule- chalaza - one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
--2 is a kind of animal tissue
--2 is a part of egg - chalaza - one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell