PELVIC VISCERA Flashcards
What are the pelvic viscera
Anatomical structures located below the superior pelvic aperture includes
- Rectum and anal canal
- Uterus, ovaries, and vagina
- Urinary bladder, ureter, prostate, seminal vesicles, ductus deference, and urethra
- nerve plexuses
The distal part of the rectum expands to form ___ _
rectal ampula
What causes the urge for defecation
The entrance of fecal substances into the rectal ampula
How long is the anal canal
4cm
What is the distal end of the anal canal surrounded by
2 sphincters internal and external
Where is the urinary bladder located
within true pelvis behind the pubic bones
What are the 4 surfaces of the bladder
- Superior
- Posterior
- 2 infero-lateral
What is the bladder drained by
the urethra
Where is the urethra found?
Starting at base of bladder and ending at the external opening
In females: embedded in anterior wall of vagina
In males: surrounded by prostrate and then passes through a muscular layer below pelvic diaphragm and then enter corpus spongiosum
What are the seminal vesicals
two small glands on posterior surface of bladder
What is the function of the seminal vesicals
to produce fluid which contributes to the volume of semen
What are the testees? what are they composed of?
two oval structures in the scrotum
Composed of seminiferous tubules surrounded by a thick capsule
What is the spermatic cord
the blood vessels, nerves, and vas deferences of each testee which descends with it in the embryonic period
What does the prostate do
contributes to the volume of semen
What are the ovaries attached to? by what ligaments?
the posterior surface of a ligament which is stretched between the lateral surface of the uterus and inner surface of pelvic wall called the broad ligament
Also attached to lateral wall of uterus by the ovarian ligaments