Pre-cum (Cowper’s Secretions)

Pre-cum, otherwise known as pre-ejaculatory fluid, is a clear, sticky fluid secreted by the penis during sexual arousal. Pre-cum is different from semen, as it is produced by the Cowper’s glands, and while pre-cum rarely carries sperm, it is usually not enough to cause pregnancy. Pre-cum is capable of transmitting sexually transmitted infections (STIs) like…

Spermatogenesis

Spermatogenesis is the production and development of sperm.  This process begins at puberty and continues for the remainder of a male’s life.  The sperm and the egg, which are the male and female gametes, meet during fertilization.  Both gametes are haploid cells; these cells contain 23 unpaired chromosomes, which is half of the human genetic…