Image 1 of 1


Human Sperm & Epithelial Cell - The size of human spermatozoa is contrasted against an epeithelial cell in semen.  Semen consists of spermatozoa mixed lin seminal fluid produced from the testes, the seminal vesicles, the bulbourethral glands, and the prostate gland.  Original magnification on 35mm film 160x