Urethral crest

Urethral Crest

The Urethral Crest is a longitudinal fold on the posterior wall of the urethra in males. It is a prominent anatomical feature of the male reproductive system and plays a crucial role in the process of urination and ejaculation.

Etymology

The term "Urethral Crest" is derived from the Latin words "urethra", which means "pipe" or "tube", and "crest", which means "peak" or "ridge".

Anatomy

The Urethral Crest is located in the posterior wall of the urethra, extending from the bladder to the urethral meatus. It is more prominent in the prostatic urethra, where it forms the seminal colliculus, a rounded eminence that is the source of the ejaculatory ducts and prostatic utricle.

Function

The Urethral Crest serves as a guide for the flow of urine and semen from the body. It also plays a role in preventing backflow of these fluids into the prostate gland and seminal vesicles.

Related Terms

• Urethra: The tube that carries urine from the bladder to the outside of the body.
• Seminal Colliculus: An anatomical landmark on the urethral crest, which is the source of the ejaculatory ducts and prostatic utricle.
• Prostatic Urethra: The part of the urethra that runs through the prostate gland.
• Ejaculatory Ducts: Tubes that carry semen from the seminal vesicles to the urethra.
• Prostatic Utricle: A small indentation in the urethral crest, which is the remnant of the uterovaginal canal of the female reproductive system.

See Also

• Male Reproductive System
• Urinary System
• Prostate Gland
• Seminal Vesicles

Urethral crest Resources
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