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chalaza

play
noun cha·la·za \kə-ˈlā-zə, -ˈla-\

Definition of chalaza

plural chalazaeplay \-ˌzē\ or chalazas

  1. 1 :  either of two spiral bands in the white of a bird's egg that extend from the yolk and attach to opposite ends of the lining membrane — see egg illustration

  2. 2 :  the basal part of a plant ovule where the nucellus is fused to the surrounding integument and to which the funiculus is usually attached

chalazal play \-ˈlā-zəl, -ˈla-\ adjective


Origin of chalaza

New Latin, from Greek, hailstone


First Known Use: circa 1704


Medical Dictionary

chalaza

play play
noun cha·la·za \kə-ˈlā-zə, -ˈlaz-ə\

Medical Definition of chalaza

plural chalazae \-ˌzē\play or chalazas

  1. :  either of a pair of spiral bands in the white of a bird's egg that extend from the yolk and attach to opposite ends of the lining membrane



Illustration of chalaza


Learn More about chalaza

  1. Medical Dictionary: Definition of "chalaza"


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