acrosome

Zona pellucida

...ds sperm atozoa, and is required to initiate the acrosome reaction . Full article >>> zona p...um ( egg ) which binds sperm and initiates the acrosome reaction of the sperm . Full article >>> Fertilization begins with the binding of...

Sperm cells

...ted nuclei. Each consists of a head, which has an acrosome at its tip and contains a haploid set of chro... In sperm cells of many higher animals , the acrosome develops over the anterior half of its head. It is a cap-like structure derived from the Golgi app...

Sperm

...act making the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> Meiosis : the process of cell division in which a single cell produces four daughter cell s each of which contain...

Ovum

...um ( egg ) which binds sperm and initiates the acrosome reaction of the sperm . A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ... Full article >>> [Gr. zygotos - yoked together]. The fertilized ovum which results from the fusion of the male and female pronuclei (before the first ...

Competent

...act making the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> graft rejection - when immunologically competent graft is trans ported into an immunologically compromised host , t...

Capacitation

...act making the sperm competent to undergo the acrosome reaction ; this change is necessary for penetration of the cumulus matrix and for fertilization . Full article >>> The brain cells of Huntington's victims slowly degenerate, producing jerking muscle s, slurred speech, swallowing di...

Ampulla

...lular layer surrounding the oocyte, initiates the acrosome reaction . Full article >>> The radial canal s feed into lateral canals extending into tube feet , each of which has an ampulla . Full article >>> 4065. Crura membranacea ampulla ria ductus saemicirculari Number of...

Acrosome reaction

...pproaches the egg , the membrane surrounding the acrosome fuses with the plasma membrane of the sperm , exposing the contents of the acrosome and rendering the sperm capable of fusing with the egg . Full article >>> Acroso...

Acrosome

...pproaches the egg , the membrane surrounding the acrosome fuses with the plasma membrane of the sperm , exposing the contents of the acrosome and rendering the sperm capable of fusing with the egg . Full article >>> acroso...