Veterinary Andrology and Reproductive Techniques

URETHRA

The urethra in males is the common passage for the excretion of urine as well as for the transportation of semen

• It is about 115 cm in length in bulls.
• The urethra has three distinct parts namely pelvic part, bulb of urethra and the penile part.
• In bull, the pelvic part of urethra is about 20 cm in length and is situated on pelvic floor.
• The pelvic urethra is enclosed by heavy urethral muscle or wilson’s muscle which helps in ejaculation and micturition by its forcible contraction.
• The bulb of urethra is extra pelvic part situated at ischial arch and is bending, ventral to the pelvis.
• The penile urethra runs inside the penis proper.