chalaza

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

2. n. 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: opted

3. n. basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined Source: wordnet

4. n. one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell Source: wordnet

5. 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. 2. (Biol.) 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

6. The place on an ovule, or seed, where its outer coats coherewith each other and the nucleus. Source: adambom

7. n. basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined n. one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell Source: ecdict

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