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Acrosome in Biological Definition

Acrosome

... In sperm cells of many higher animals, the acrosome develops over the anterior half of its head. It ... the Golgi apparatus . In Eutherian mammals , acrosome formation is completed during testicular maturation. The acrosome contains digestive enzymes (including ...

Acrosome

... In sperm cells of many higher animals, the acrosome develops over the anterior half of its head. It ... the Golgi apparatus . In Eutherian mammals , acrosome formation is completed during testicular maturation. The acrosome contains digestive enzymes (including ...

Spermatogenesis

... The Sertoli cell also reduces motility and capacitation (initiation of the acrosome reaction) of the sperm cells so viability is maintained. Spermatozoa are ... tails, repackage DNA into a head, cap the head with a lysosome-like acrosome and construct an energy transducing neck region of tightly packed ...

Zona pellucida

... . This structure binds spermatozoa , and is required to initiate the acrosome reaction . The zona glycoprotein, ZP3 , is responsible for sperm ... There is evidence that ZP3 is then involved in the induction of the acrosome reaction, whereby a spermatozoon releases the contents of the acrosomal ...

Capacitation

... the term "capacitation" has evolved in meaning and this should be taken into account when consulting sources. See also cortical reaction acrosome reaction Reference Beaudin, Stacey; Kipta, Donna; and Orr, Annamarie. (October 9, 1996). Current research into sperm capacitation: An ...

Sperm

... Schematic diagram of a sperm cell, showing the (1) acrosome , (2) cell membrane , (3) nucleus , (4) mitochondria , and (5) flagellum (tail) A sperm cell , or spermatozoon ( pl. spermatozoa ) (in ...

Spermatid

... termed spermeteliosis ). The spermatids begin to grow a tail, develop a thickened mid-piece where the mitochondria become localised and form an acrosome . Spermatid DNA also undergoes packaging, becoming highly condensed. The DNA is packaged firstly with specific nuclear basic proteins, which are ...
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