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zona pellucida

Pronunciation: /ˌzəʊnə pɪˈluːsɪdə/

Definition of zona pellucida

noun (plural zonae pellucidae /ˌzəʊniː pɪˈluːsɪdiː/)

Anatomy & Zoology
  • the thick transparent membrane surrounding a mammalian ovum before implantation.

Origin:

mid 19th century: from Latin, literally 'pellucid girdle'

zona pellucida in other Oxford dictionaries

Definition of zona pellucida in the US English dictionary

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