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Bulbourethral Gland
Urogenital System

Bulbourethral Gland

Glandula bulbourethralis

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Structure/Morphology

The bulbourethral glands are pea sized, paired exocrine glands. They are lobulated structures measuring approximately 1 cm in diameter. They are drained by excretory ducts of approximately 3 cm long. They penetrate the perineal membrane and open into the urethra.

Anatomical Relations

The bulbourethral glands are in the deep pouch of the perineum, at the base of the penis, posterior and lateral to the membranous urethra, just below the prostate gland.

Function

The bulbourethral glands are responsible for the production and release of pre-ejaculate fluid that aids in the passage of sperm and neutralization of the pH in the vagina.

Arterial Supply

The bulbourethral glands are supplied by the artery to the bulb of the penis, which is a branch of the internal pudendal artery.

Venous Drainage

The Internal pudendal veins drain the bulbourethral gland.

Innervation

Autonomic nerve supply to the bulbourethral glands is by the hypogastric nerve.

Lymphatic Drainage

The lymphatic drainage of the bulbourethral gland is through the deep inguinal lymph nodes.

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Bulbourethral Gland

ScienceDirect image

The prostate and bulbourethral glands secrete the remainder of seminal plasma in the form of ions and mucus that aid in sperm motility and lubricate the penile urethra [45,46].

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