zona radiata


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zona

 [zo´nah] (L.)
1. zone.
zona fascicula´ta the thick middle layer of the adrenal gland.
zona glomerulo´sa the outermost layer of the adrenal cortex.
zona ophthal´mica herpetic infection of the cornea.
zona pellu´cida
1. the transparent, noncellular, secreted layer surrounding an ovum.
Zona pellucida. From Applegate, 2000.
2. area pellucida.
zona radia´ta a zona pellucida exhibiting conspicuous radial striations.
zona reticula´ris the innermost layer of the adrenal cortex.
zona stria´ta a zona pellucida exhibiting conspicuous striations.

zo·na stri·a·ta

the thickened cell membrane of the oocyte in forms, such as certain amphibians, in which it appears radially striated under the light microscope; with the electron microscope the striations can be seen to be microvilli.

zona radiata

a zona pellucida that has a striated appearance caused by radiating canals within the membrane. Also called zona striata.

zona

pl. zonae [L.] zone.

zona alba
the white line in the horse's hoof.
zona arcuata
see zona glomerulosa (see below).
zona fasciculata
the thick middle layer of the adrenal gland.
zona glomerulosa
the outermost layer of the adrenal cortex. Called also zona multiformis.
zona multiformis
see zona glomerulosa (above).
zona pellucida
1. the transparent, noncellular, secreted layer surrounding an ovum.
2. area pellucida.
zona radiata
a zona pellucida exhibiting conspicuous radial striations.
zona reaction
caused by the penetration of the zona pellucida by the spermatozoa.
zona reticularis
the innermost layer of the adrenal cortex.
zona striata
a zona pellucida exhibiting conspicuous striations.
References in periodicals archive ?
La zona radiata se visualizo con estrias radiales y la capa folicular y teca formada por celulas planas nucleo alargado y basofilo y nucleo poco definido.
strigaticeps, na fase de ovócito Alvéolocortical, foram observadas claramente a zona radiata e a camada granulosa, sendo estas características fundamentais para diferenciar os ovócitos na fase Perinucleolar daquelas da fase Alvéolo-cortical.
A zona radiata, fortemente acidófila, e camada granulosa apresentaram-se bem espessas.
The zona radiata was wider than in the middle phase, and exhibited a strong acidophilia (Fig.
The oocyte wall consisted of a zona radiata which was 22-32 um in thickness and coated with three follicular cell layers (Fig.