The chromosomes of sperm cells are tightly packaged into a complex of DNA and protamines. Converting the chromatin from a nucleohistone to a nucleoprotamine structure may serve both biophysical ...

The testes are where sperm cells are produced and are also responsible for the production of the sex hormone testosterone. The testes, commonly referred to as "balls," are housed in a pouch of ...

A new technology developed at Tel Aviv University and implemented at Barzilai Medical Center in Ashkelon has demonstrated a ...

The new method accurately identifying high-quality sperm cells without using potentially harmful chemical dyes.

There are many different types of cells in animals. Each type is specialised for a particular role. These ensure that the organism functions as a whole. The head of the sperm contains the genetic ...