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 zona pellucida (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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The first known use of zona pellucida was in 1841

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Dictionary Entries Near zona pellucida

zonal structure

zona pellucida

zona radiata

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Cite this Entry

“Zona pellucida.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zona%20pellucida. Accessed 20 Oct. 2021.

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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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