egg fertilization

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• Egg donation — Intervention MeSH D018587 Egg donation is the process by which a woman provides one or several (usually 10 15) eggs (ova, oocytes) for purposes of assisted reproduction or biomedical research. For assisted reproduction purposes, egg d …   Wikipedia

• Egg case (Chondrichthyes) — Egg case of a skate. An egg case or egg capsule, colloquially known as a mermaid s purse or devil s purse, is a casing that surrounds the fertilized eggs of some sharks, skates, and chimaeras. They are among the common objects which are washed up …   Wikipedia

• Fertilization — is the process of combining the male gamete, or "sperm," with the female gamete, or "ovum." The product of this combination is a cell called a zygote. * * * The process beginning with penetration of the secondary oocyte by the …   Medical dictionary

• fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… …   Universalium

• Egg activation — After the fusion of the sperm plasma membrane and the egg plasma membrane after fertilization, animal eggs go through a process called egg activation to prepare the egg for development.There are three functions of egg activation: # Block to… …   Wikipedia

• egg — egg1 eggless, adj. eggy, adj. /eg/, n. 1. the roundish reproductive body produced by the female of certain animals, as birds and most reptiles, consisting of an ovum and its envelope of albumen, jelly, membranes, egg case, or shell, according to… …   Universalium

• Fertilization, in vitro — IVF, a laboratory procedure in which sperm are placed with an unfertilized egg in a Petri dish to achieve fertilization. The embryo is then transferred into the uterus to begin a pregnancy or cryopreserved (frozen) for future use. IVF was… …   Medical dictionary

• Egg (biology) — Bird eggs and others (click on image for key) …   Wikipedia

• Egg white — Albumen redirects here. For other uses see Albumen (disambiguation). : For the musician, see Eg White. Egg white is the common name for the clear liquid (also called the albumen or the glair/glaire) contained within an egg. It is the cytoplasm of …   Wikipedia

• Egg yolk — Not to be confused with yoke. An intact yolk surrounded by egg white An egg yolk is a part of an egg which feeds the developing embryo. The egg yolk is suspended in the egg white (known alternatively as albumen or glair/glaire) by one or two… …   Wikipedia

• fertilization membrane — noun the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon • Hypernyms: ↑membrane, ↑tissue layer * * * noun : a resistant membranous layer that separates from the surface of many eggs immediately… …   Useful english dictionary