zona pellucida
zo·na pel·lu·ci·da
noun\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
Origin of ZONA PELLUCIDA
New Latin, transparent zone
First Known Use: 1841
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