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zona pellucida

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noun zo·na pel·lu·ci·da \ˌzō-nə-pə-ˈlü-sə-də, -pel-ˈyü-\

Definition of zona pellucida

plural

zonae pellucidae

play \-(ˌ)nē…-(ˌ)dē, -ˌnī…-ˌdī\
  1. :  the transparent more or less elastic noncellular outer layer or envelope of a mammalian ovum that is composed of glycoproteins



Origin and Etymology of zona pellucida

New Latin, transparent zone


First Known Use: 1841


Medical Dictionary

zona pellucida

play
noun zona pel·lu·ci·da \-pə-ˈlü-sə-də\

Medical Definition of zona pellucida

  1. :  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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