Basic and Clinical Andrology is the official journal of the French Society of Andrology (SALF).
Assessment of the frequency of sperm annulus defects in a large cohort of patients presenting asthenozoospermia
The annulus is a ring-shaped structure located beneath the plasma membrane that connects the midpiece and the principal piece of mammalian sperm flagellum. It has been suggested that the annulus acts as a morp...
Citation: Basic and Clinical Andrology 2015 25:10