First Known Use: 1841
Dictionary
zona pellucida
noun zo·na pel·lu·ci·da \ˌzō-nə-pə-ˈlü-sə-də, -pel-ˈyü-\
plural zo·nae pel·lu·ci·dae \-(ˌ)nē…-(ˌ)dē, -ˌnī…-ˌdī\
Definition of ZONA PELLUCIDA
: the transparent more or less elastic noncellular outer layer or envelope of a mammalian ovum that is composed of glycoproteins
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Origin of ZONA PELLUCIDA
New Latin, transparent zone
Medical Dictionary
zona pellucida
noun zona pel·lu·ci·da \-pə-ˈlü-sə-də\
Medical Definition of ZONA PELLUCIDA
: the transparent more or less elastic noncellular glycoprotein outer layer or envelope of a mammalian ovum often traversed by numerous radiating striae
Illustration of ZONA PELLUCIDA
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