chalaza


cha·la·za

noun \kə-ˈlā-zə, -ˈla-\
plural cha·la·zae\-ˌzē\ or cha·la·zas

Definition of CHALAZA

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
:  the basal part of a plant ovule where the nucellus is fused to the surrounding integument and to which the funiculus is usually attached
cha·la·zal \-ˈlā-zəl, -ˈla-\ adjective

Origin of CHALAZA

New Latin, from Greek, hailstone
First Known Use: circa 1704

cha·la·za

noun \kə-ˈlā-zə, -ˈlaz-ə\   (Medical Dictionary)
plural cha·la·zae \-ˌzē\ or cha·la·zas

Medical Definition of CHALAZA

: 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

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