Semen is a mixture of sperms and secretions from
Seminal vesicle
Prostate gland
Cowper's gland
Semen is a milky fluid. It is a mixture of sperms and secretions from seminal vesicle, prostate, cowper's and urethral glands. Secretions from seminal vesicle serves as medium for the trasportation of sperms. Secretions from prostate gland neutralize the acid in the female vagina while secretions from bubourethral gland serve as lubricant.