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Chalaza   Listen
noun
Chalaza  n.  (pl. E. chalazas, L. chalazae)  
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.






Collaborative International Dictionary of English 0.48








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Words linked to "Chalaza" :   ovule, plant structure



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