Definition of Zona pellucida. Meaning of Zona pellucida. Synonyms of Zona pellucida

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

Definition of Zona pellucida

Zona pellucida
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 pellucida from wikipedia

- The zona pellucida (Latin meaning "transparent zone") is the specialized area surrounding mammalian oocytes (eggs). It is also known as an egg coat. The...
- enzymes which allow it to burrow through the outer s**** called the zona pellucida of the egg. The sperm plasma then fuses with the egg's plasma membrane...
- zona pellucida (PZP) is the zona pellucida extracted from the ovaries of pigs which is used as a source of antigens for immunocontraception. The zona...
- straightforward, penetrating the egg's protective layers, such as the zona pellucida, presents a significant challenge. Therefore, sperm cells go through...
- make up the zona pellucida, then binds to a partner molecule on the sperm. Enzymes on the inner acrosomal membrane digest the zona pellucida. After the...
- blastocyst causes it to hatch through the zona pellucida, which then disintegrates. This process is called zona hatching and it takes place on the sixth...
- consequence of the acrosome reaction. It aids in the penetration of the Zona Pellucida. Acrosin is a typical serine proteinase with trypsin-like specificity...
- ****isted zona hatching may take place in ****isted reproduction, where the zona pellucida may be artificially pierced to facilitate hatching. Following zona hatching...
- ****isted zona hatching (AZH) is a procedure of ****isted reproductive technology ,mainly used in IVF, in which a small hole is made in the zona pellucida. It...
- affected by maternal and paternal genetic abnormalities as well as zona pellucida dysfunction and poor embryo transfer technique. The quality of the sperm...