Definition of Zona radiata

1. Noun. (biology) A radiately striated membrane situated next to the yolk of an ovum, or separated from it by a very delicate membrane only. ¹



¹ Source: wiktionary.com

Medical Definition of Zona radiata

1. The thickened cell membrane of the ovum in forms, such as certain amphibia, in which it appears radially striated under the light microscope; with the electron microscope the striations can be seen to be microvilli. Synonym: membrana striata, striated membrane, zona radiata. (05 Mar 2000)

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Lexicographical Neighbors of Zona Radiata

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
zona perforata
zona pupillaris
zona radiata (current term)
zona reticularis
zona serpiginosa
zona striata
zona tecta
zona vasculosa
zonae
zonae pellucidae
zonal
zonal kinetic energy
zonal necrosis
zonal pelargonium
zonal wind
zonalities
zonality

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