The male dog is known as a dog: the male cat is known as a tomcat.

The reproductive system of the dog and the tomcat are generally similar - any differences will be described where appropriate (Figs 11.1 and 1 1.21.

The parts of the male reproductive tract are:

Fig. I LI Reproductive system of the dog

■ Testis

■ Epididymis

Defercnl duct, also called the vas deferens

■ Urethra

■ Penis

Prostate gland - an accessory gland

Bulbourethral gland - an accessory gland seen only in the tomcat.