Dictionary

Some terms i didn't know when reading chapter 4.

ampulla - a dilated portion of a canal or duct.

equatorial region - The junction between the inner acrosomal membrane and the sperm cell membrane. Tthis is where membrane fusion between sperm and egg begins.

Axoneme - The major motor portion of the flagellum and a structure formed by microtubles emanating from the centriole at the base of the sperm nucleus.

cumulus - The mammalian egg surrounded by a layer of cells. It is made up of the ovarian follicular cells that were nurturing the egg at the time of its release from the ovary.

chemotaxis - This chemical secreted by the egg attracts sperms of their species toward the egg.

capacitation - The set of physiological changes by which sperm become competent to fertilize the egg.

Ampulla - The region of the oviduct where fertilization takes place.

Source:

1) Text book.

Developmental Biology, Ninth Edition, Scott f. Gilbert. 2010.

2) http://dictionary.reference.com/browse/ampullae