nucleosome - "beads on a string"
30 nm condensed chromatin fiber
Sperm chromatin is an exception to the above. During spermiogenesis
, the male germ cell 's chromatin is remodelled into a more tightly packaged, compact structure. This process is associated with the cessation of ...
When formed, early round spermatids must undergo further maturational events in order to develop into spermatozoa , a process termed spermiogenesis
(also termed spermeteliosis ).
The spermatids begin to grow a tail, develop a thickened mid-piece where the mitochondria become localised and ...
... being. (The other half will come from the ovum at fertilisation).
The spermatids at this point are still round cells. During the process called spermiogenesis
the sperm extrude tails, repackage DNA into a head, cap the head with a lysosome-like acrosome and construct an energy transducing neck region of ...
is the final stage of spermatogenesis which ... spermatids into mature, motile spermatozoa. spermiogenesis
of male spermatids is triggered upon mating. ... During spermiogenesis
, a set of dramatic cellular rearrangements take ...
... pathway from spermatogonial stem cell to ... ... cells of spermatogenesis . ... terminal phase of spermatogenesis is called spermiogenesis
and ... Spermatogenesis is regulated by follicle stimulating hormone ... Britannica online encyclopedia article on spermatogenesis ...