urine storage and elimination

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Created Feb 4, 2011
by
kimleszczynski

 

 
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1
ureters:
 
each ureter is a long tube that transports urine from the renal pelvis to the urinary bladder
2
the wall of the ureter is composed of three layers:
 
adventitiamuscularismucosa
3
adventitia of ureter:
 
anchors ureteres to surrounding tissues
4
muscularis:
 
is composed of 2 layers of smooth muscle
5
contractions of muscularis initiate:
 
peristalsis to move urine thru ureter toward urinary bladder
6
mucosa:
 
has transitional epithelium and underlying lamina propia that contains collagen and elastic...
7
mucus is secreted to:
 
protect ureter from urine acidity
8
urinary bladder
 
hollow, muscular organ on the floor of the pelvic cavity posterior to the pubic bone
9
trigone:
 
a small triangular area on the floor of the bladder bounded by openings of ureters and urethra
10
the wall of the urinary bladder consists of 3 layers:
 
fibrous adventitiadetrusor musclemucosa
11
fibrous adventitia or urinary bladder:
 
anchors urinary bladder to surrounding tissues
12
detrusor muscle of urinary bladder:
 
have 3 layers of smooth muscle that form internal urethral sphincter at base of bladder
13
mucosa of urinary bladder:
 
has transitional epithelium
14
when bladder is relaxed:
 
mucosa exhibit rugae
15
urethra:
 
small tube leading from the floor of the bladder to the outside of the body

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