CHALAZAE

CHALAZA

chalaza

(noun) one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell

chalaza

(noun) basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined

Source: WordNet® 3.1

Noun

chalazae

plural of chalaza

Source: Wiktionary

CHALAZA

Cha*la"za, n.; pl. E. Chalazas, L. Chalazæ. Etym: [NL., fr. Gr.

1. (Bot.)

Definition: The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus.

2. (Biol.)

Definition: A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle.

Source: Webster’s Unabridged Dictionary 1913 Edition