Definition of Zona radiata. Meaning of Zona radiata. Synonyms of Zona radiata

Here you will find one or more explanations in English for the word Zona radiata. Also in the bottom left of the page several parts of wikipedia pages related to the word Zona radiata and, of course, Zona radiata synonyms and on the right images related to the word Zona radiata.

Definition of Zona radiata

Zona radiata
Zona o"na, n.; pl. Zon[ae]. [L., a girdle. See Zone.] A zone or band; a layer. Zona pellucida. [NL.] (Biol.) (a) The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating stri[ae], and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope. (b) The zona radiata. Zona radiata [NL.] (Biol.), a radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only.

Meaning of Zona radiata from wikipedia

- The corona radiata is the innermost layer of the cells of the ****ulus oophorus and is directly adjacent to the zona pellucida, the inner protective glycoprotein...
- surrounded by the corona radiata. The corona is composed of cells that care for the egg when it is emitted from the ovary. The zona pellucida is a translucent...
- the corona radiata the sperm reaches the zona pellucida, which is an extracellular matrix of glycoproteins. A ZP3 glycoprotein on the zona pellucida binds...
- modified by the cortical reaction is the zona pellucida. This modification of the zona pellucida is known as the zona reaction. Although highly conserved across...
- Walther BT, Goksøyr A (June 2000). "Effects of xenoestrogen treatment on zona radiata protein and vitellogenin expression in Atlantic salmon (Salmo salar)"...
- The perivitelline space is the space between the zona pellucida and the cell membrane of an oocyte or fertilized ovum. In the slow block to polyspermy...
- ****ist the ****tozoon boring into the egg. As the sperm approaches the zona pellucida of the egg, which is necessary for initiating the acrosome reaction...
- differentiate themselves into four distinct subtypes: corona radiata that surrounds the zona pellucida, membrana that is interior to the basal lamina, periantral...
- mammals, the structure is called the zona pellucida and is surrounded by a layer of support cells, called the corona radiata. Vitelline membrane in a bird egg...
- of follicle Externa Interna Follicular antrum Follicular fluid Corona radiata Zona pellucida Membrana granulosa Perivitelline space Other Germinal epithelium...