Definition of Zona pellucida

1. Noun. Thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus.

Generic synonyms: Zona, Zone

Definition of Zona pellucida

1. Noun. (anatomy) A glycoprotein membrane surrounding the plasma membrane of an oocyte ¹

¹ Source: wiktionary.com

Medical Definition of Zona pellucida

1. A translucent, elastic, noncellular layer surrounding the ovum of many mammals. (11 May 1997)

Lexicographical Neighbors of Zona Pellucida

zona arcuata
zona ciliaris
zona corona
zona dermatica
zona epithelioserosa
zona facialis
zona fasciculata
zona glomerulosa
zona haemorrhoidalis
zona ignea
zona incerta
zona medullovasculosa
zona ophthalmica
zona orbicularis
zona pectinata
zona pellucida (current term)
zona perforata
zona pupillaris
zona radiata
zona reticularis
zona serpiginosa
zona striata
zona tecta
zona vasculosa
zonae
zonae pellucidae
zonal
zonal kinetic energy
zonal necrosis
zonal pelargonium

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