Prostate Gland and Penis - Edubirdie

University:
Western Sydney University
Course:
MEDI 2003 | Clinical Sciences 2
Academic year:

2024
Views:

196

Pages:

3
Author:

Mariam A. A.

Prostate Gland and Penis Prostate gland ● Surrounds the urethra and ejaculatory duct (they have to pass through the centre of this gland) ● Then the sperm gets secretions from the prostate gland ● Muscular - squeezes prostatic secretions into the urethra ● Produces 20-30% of seminal fluid volume ○ Acts like a glue to stick seminal fluids to the wall of the vaginal and closer to the cervix ○ Increases the chance of sperm surviving in the female reproductive tract ● Medical complications = can enlarge, benign or due to cancer ○ Can narrow the lumen of the urethra ○ Affects ability to urinate ● Immediately anterior to the rectum Bulbourethral glands ● After the membranous urethra is the spongy urethra, this gland is at the origin of the spongy urethra ● Located in the pelvic floor ● Secretes during arousal (prior to ejaculation) ● Lubrication of urethra ● Neutralise the spongy urethra of any residual urine which will kill the sperm ● Bulb of the penis is where the bulbourethral glands pierce into the erectile tissue Penis ● Delivers the sperm into the female reproductive tract ● 3 regions ○ Root (attached to the pelvis and internal organs of the reproductive system, comprised of the crura of the corpus cavernosum and bulb of the corpus spongiosum) ○ Shaft (two erectile tissues) ○ Glans (tip of the penis where the orifice is located) ● Erectile tissue ○ Corpus spongiosum ■ On the ventral surface (penis is erect in anatomical position) ○ ● ■ Expands at the end to open to the glans (goes into a bulb shape) ■ Where the urethra goes through Corpus cavernosum ■ Paired - splits into two legs/crura and attach to the pelvic bone ■ Dorsal surface ■ Sits on the posterior part of the glans Glans ○ Foreskin is located around the glans

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