hoofdafvoerbuis

**Hoofdafvoerbuis**

The hoofafvoerbuis, also known as the urethral bulb or urethral process in horses, is a small anatomical structure located at the distal end of the penis. It plays a crucial role in the urinary and reproductive systems of male horses. This tubular structure extends from the urethral orifice and is part of the penile anatomy, which can vary in size and shape among different horse breeds and individuals.

In horses, the hoofafvoerbuis is not directly involved in the drainage of urine but is rather part of the penile system that facilitates urination and ejaculation. During urination, the urethra, including the bulbous urethral region, contracts to expel urine from the bladder. The urethral bulb itself is a fleshy, rounded structure that helps maintain the patency of the urethra during both urination and copulation.

For veterinary purposes, the hoofafvoerbuis can sometimes be examined or manipulated during procedures such as castration or when addressing penile injuries or abnormalities. It is important to note that this structure is not visible externally in all horses and may require careful inspection by a veterinarian. Proper care and attention to the penile region are essential to maintain overall equine health and prevent complications related to urinary or reproductive issues.