lecture 30 - the ureters, bladder and urethra Flashcards
1
Q
what is transitional epithelium
A
stratified rounded cells
- flattened when stretched
- for protection
2
Q
what is the function of the ureter
A
to carry urine from kidneys to the bladder
3
Q
what is the structure of the ureter
A
arise from each renal pelvis at each hilum
descend retroperitoneally through abdomen
4
Q
what are the layers of the ureters
A
- transitional epithelium
- muscularis
- adventitia
- folded protective protein plaques on inner surface
5
Q
what is the function of the urinary bladder
A
stores and expels urine
- collapsable muscle sac
6
Q
what allows the bladder to expand without increasing pressure
A
rugae - temporary folds
7
Q
what is the urinary bladder wall like
A
- mucosa of transitional epithelium
- thick smooth muscle layer called detrusor
8
Q
what is the urethra and what does it do
A
thin walled muscular tube
- drains urine out of the body
9
Q
how does the epithelium change throughout the male urethra
A
- transitional near bladder
- columnar
- stratified squamous at opening
10
Q
A
