Tag » Spermatogenesis


By Cat Jones

You may have seen the recent photo of Donald Dick and a roomful of men in suits signing away women’s reproductive Healthcare, and wondered – like I did – when oh when will America care about the OTHER precious, unborn babies. 232 kata lagi

Causes of zero sperm count

A man’s fertility generally relies on the quantity and quality of his sperm. If the number of sperm a man ejaculates is low or if the sperm are of a poor quality or zero sperm count, it will be difficult, and sometimes impossible, for him to cause a pregnancy. 19 kata lagi


SpermHope Kit - New supportive treatment for azoospermia

SpermHope Kit is a new supportive treatment for azoospermia. This treatment is for men who are found to have primary testicular failure usually cannot be fully cure and will likely require the use of surgical sperm retrieval methods to recover viable sperm for IVF. 23 kata lagi


Non-obstructive azoospermia - Men infertility

Non-obstructive azoospermia (NOA) is a severe form of infertility accounting for 10% of infertile men. Microdissection testicular sperm extraction (microTESE) includes a set of clinical protocols from which viable sperm are collected from patients (suffering from NOA), for intracytoplasmic sperm injection (ICSI). 56 kata lagi


Catching up

Just emerging from a busy teaching period, it was as ever a pleasure this year to welcome first another enthusiastic group of Bachelor students to our upper-level undergraduate course on “Key Concepts in Evolutionary Ecology”, followed by another excellent set of Master students taking our module “Evolution of Behaviour”. 471 kata lagi

New Paper


Author: Durga Deepthi Kolasani


The process of formation of sperms is called spermatogenesis.

  • In humans, spermatogenesis takes 65–75 days.
  • It begins with the spermatogonia, which contain the diploid (2n) number of chromosomes.
  • 456 kata lagi