chalaza

cha·la·za  (k-lz, -lz)

n. pl. cha·la·zae (-z) or cha·la·zas

1. Biology One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell.

2. Botany The region of an ovule that is opposite the micropyle, where the integuments and nucellus are joined.

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[Greek khalaza, hard lump, hailstone.]

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cha·lazal adj.

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chalaza  (k-lz)

Plural chalazae (k-lz) or chalazas

1. One of two spiral bands of tissue in an egg that connect the yolk to the lining membrane at either end of the shell.

2. The region of a plant ovule that is opposite the micropyle, where the integuments and nucellus are joined.

Thesaurus

Noun	1.	chalaza - basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined ovule - a small body that contains the female germ cell of a plant; develops into a seed after fertilization plant part, plant structure - any part of a plant or fungus
	2.	chalaza - one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell egg - animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds animal tissue - the tissue in the bodies of animals