Spermatogenesis is the process of the gradual transformation of germ cells into spermatozoa. It occurs mainly within the [[Testes and Epididymis - Anatomy & Physiology#Tubular Compartment|seminiferous tubules]] of the testes and can be divided into three phases, each of which is associated with different germ cell types: | Spermatogenesis is the process of the gradual transformation of germ cells into spermatozoa. It occurs mainly within the [[Testes and Epididymis - Anatomy & Physiology#Tubular Compartment|seminiferous tubules]] of the testes and can be divided into three phases, each of which is associated with different germ cell types: |