zona pellucida

noun
zo·​na pel·​lu·​ci·​da | \ ˌzō-nə-pə-ˈlü-sə-də How to pronounce zona pellucida (audio) , -pel-ˈyü- \
plural zonae pellucidae\ ˌzō-​(ˌ)nē-​pə-​ˈlü-​sə-​(ˌ)dē How to pronounce zonae pellucidae (audio) , ˌzō-​ˌnī-​pə-​ˈlü-​sə-​ˌdī , -​pel-​ˈyü-​ \

Definition of zona pellucida

: the transparent more or less elastic noncellular outer layer or envelope of a mammalian ovum that is composed of glycoproteins

First Known Use of zona pellucida

1841, in the meaning defined above

History and Etymology for zona pellucida

borrowed from New Latin, "transparent zone"

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Time Traveler for zona pellucida

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The first known use of zona pellucida was in 1841

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Cite this Entry

“Zona pellucida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zona%20pellucida. Accessed 19 Oct. 2020.

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More Definitions for zona pellucida

zona pellucida

noun
zona pel·​lu·​ci·​da | \ -pə-ˈlü-sə-də How to pronounce zona pellucida (audio) \

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

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