Meaning of CHALAZA
| Pronunciation: | | ku'leyzu
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 WordNet Dictionary |
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| | Definition: | |
- [n] one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
- [n] basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined
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| | See Also: | | animal tissue, egg, ovule, plant part | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Cha*la"za\, n.; pl. E. {Chalazas}, L. {Chalaz[ae]}.
[NL., fr. Gr. ? hail, pimple.]
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.
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| Biology Dictionary |
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| | Definition: | | In botany terminology, the part of an ovule to which the end of the stalk (funicle) is attached. |
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