The Bulbourethral gland, also known as the Cowper gland for the English anatomy of William Cowper, is one of the two small exocrine glands in the reproductive system of many male mammals (all domesticated animals that are not only found in a dog). They are homologous to Bartholin’s glands in women.


Bulbourethral gland function

The Bulbourethral gland contributes to 4 ml of fluid during sexual arousal.  Secretion is a clear fluid rich in mucoproteins that help lubricate the distal urethra and neutralize the acid urine remaining in the urethra.

According to one initial study, the glandular fluid does not contain any sperms, while other studies have shown that some men caused sperm leakage in potentially significant amounts (ranging from small counts to 50 million sperm per ml) to – Calculation fluid,  potentially leading to conception from introduction before ejaculation. However, the sperm source is a residual or prior to ejaculation spurt from the testes into the vas deferens, not from the tubular gland itself.


Bulbourethral gland Structure

The Bulbourethral gland is complex tubular-follicular glands, each approximately the size of a pea in humans. In the case of chimpanzees, they are not visible during the section, but they can be found in a microscopic examination. The boars have a length of up to 18 cm and 5 cm in diameter.  They consist of several petals held together by a fibrous cover. Each flake consists of several acini, lined with columnar epithelial cells, opening to the canal, which connects to the channels of other flakes to form a single excretory channel. This channel is about 2.5 cm long and opens to the urethra at the base of the penis. The glands gradually decrease with age.

The urethra ribs are located in the back of the penis, between the two layers of the genito-urinary fascia. In the posterior crotch bag, in the back of the penis and laterally to the membranous part of the urethra. 

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