Urinary System / Portage Learning
A&P2, Module 7
urinary system organs
2 kidneys
2 ureters
1 urinary bladder
1 urethra
kidney (shape, weight, location)
bean shaped / size of soup can, about 5oz / located between T12-L3 vertebrae and are protected by the
rib cage / right is slightly lower...
Urinary System / Portage Learning
A&P2, Module 7
urinary system organs
2 kidneys
2 ureters
1 urinary bladder
1 urethra
kidney (shape, weight, location)
bean shaped / size of soup can, about 5oz / located between T12-L3 vertebrae and are protected by the
rib cage / right is slightly lower than the left b/c of the liver above it
00:0401:08
adrenal glands
a pair of endocrine glands that sit just above the kidneys and secrete hormones (epinephrine and
norepinephrine) that help arouse the body in times of stress.
renal hilus (hilum)
a notch located near center of medial concave side of the kidney / the passageway to renal sinus for
vessels and ureter
3 layers of kidney tissue (outermost to innermost)
renal fascia (outer, fibrous connective tissue, keeps kidney in place), adipose capsule (middle, fatty layer
protects kidney from trauma), renal capsule (inner layer of protective tissue projects kidney from injury
+ infection)
3 regions of kidney (outermost to innermost)
cortex, medulla, renal pelvis
renal pelvis (of kidney)
central collecting region in the kidney, extensions of the pelvis (calyces) collect urine and drain
continuously into pelvis and then into ureter
lines the ureters, bladder, and part of the urethra, specialized to enable cellular expansion to absorb
fluid
Differences between male and female urethra:
Female is shorter and only carries urine. Male is longer and carries urine and semen
3 regions of male urethra
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