Prostatic sinus

Prostatic Sinus is a part of the male anatomy specifically found in the prostate gland. It is a groove on each side of the urethra where the prostatic ducts open into. The prostatic sinus is an important part of the male reproductive system as it allows for the passage of prostatic fluid into the urethra.

Etymology

The term "Prostatic Sinus" is derived from the Latin word "prostata" meaning prostate, and the Latin word "sinus" meaning cavity or channel.

Anatomy

The prostatic sinus is located in the prostate gland, which is a small, muscular gland that produces some of the fluid in semen. It is situated in the male reproductive system, below the bladder and in front of the rectum. The prostatic sinus is a groove on each side of the urethra, which is the tube that carries urine and semen out of the body. The prostatic ducts, which carry the prostatic fluid, open into the prostatic sinus.

Function

The main function of the prostatic sinus is to allow for the passage of prostatic fluid into the urethra. Prostatic fluid is a component of semen and is essential for male fertility. It nourishes and protects sperm. When the prostate contracts during ejaculation, prostatic fluid is expelled into the urethra through the prostatic sinus, where it mixes with sperm and other seminal fluids to form semen.

Related Terms

• Prostate Gland
• Prostatic Ducts
• Urethra
• Semen
• Male Reproductive System

See Also

• Prostatitis
• Benign Prostatic Hyperplasia
• Prostate Cancer

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