zona pellucida

English

Etymology

Latin zōna (“zone”) + pellūcida (“transparent”).

Noun

zona pellucida (plural zonae pellucidae or zonæ pellucidæ)

1. (anatomy) A glycoprotein membrane surrounding the plasma membrane of an oocyte.
   • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 339:

     The sperm passes through an outer barrier called the zona pellucida and, all being well, fuses with the egg.

Synonyms

• (glycoprotein membrane): pellucid zone

Translations

glycoprotein membrane

• French: zone pellucide f, zona pellucida f
• Hungarian: fénylő réteg, fénylő hártya, fényes hártya