zona pellucida
English edit
Etymology edit
Latin zōna (“zone”) + pellūcida (“transparent”).
Noun edit
zona pellucida (plural zonae pellucidae or zonæ pellucidæ)
- (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 edit
- (glycoprotein membrane): pellucid zone
Translations edit
glycoprotein membrane
|