Variant of chalaza
- either of the spiral bands of dense albumen extending from the yolk toward the lining membrane at each end of a bird's egg and serving to keep the yolk suspended near the center of the albumen
- Bot. the basal end of an ovule, opposite the micropyle, where the seed coats and the nucellus join
Origin: Modern Latin ; from Classical Greek hail ; from Indo-European base an unverified form gheləd-, ice from source Persian žāla, hail, Old Church Slavonic žlědica, sleet
- chalazal adjective
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