Glossary of Anatomy Pelvis 2
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- Is the bladder within the pelvic peritoneum?
- no it sits inferior to it
- What hold the bladder in place? (male v. female)
- @ at the neck:
Males: the puboprostatic ligament
Females: the pubovesical ligament
- What is the fundus related to in males and females?
- females: anterior wall of the vagina
- What is the bladder enveloped by?
- vesical fascia
- what is the detrusor musce?
- chief constituent of the bladder wall
- in which sex do you find an involuntary internal sphincter in the neck of the bladder?
- what prevents backflow of urine into the ureters?
- bladder pressure presses the walls of the ureters together
- what is the arterial source for the anterolateral part of the bladder?
What are the fundus and neck of the bladder supplied by in:
- (anterior iliac)--> superior vesical artery
a. males: (anterior iliac)--> inferior vesical artery
b. females: vaginal arteries
- What is the parasympathetic innervation of the bladder derived from?
what does parasympathetic innervation in the bladder cause?
what does stretching of the bladder cause?
- pelvic splanchnic nerves
2. motor to the detrusor muscle and inhibitory to teh internal sphincter
3. bladder contracts and sphincters relax (parasympathetic)
- Where do sympathetic nerves arise that feed the bladder?
- T11-L2 --> --> inferior hypogastric
- is it necessary to perferate the pelvic peritoneum to enter the bladder?
- where does urine from a rupture bladder go?
- into the perineum... not the peritoneal
- What are the 4 parts of the male uretra?
- bladder neck --> prostatic --> intermediate --> spongy urethra
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