Ch. 33 Urinary system Flashcards
System of the body responsible for the production and elimination of urine
Urinary system
The urinary system consists of four organs, anatomically:
Kidney
Ureter
Urinary bladder
Urethra
Where urine production occurs
kidney
Conveys urine from kidney to bladder
Ureter
Functions in storage of urine
Urinary bladder
Conveys urine from urinary bladder outside of the body
Urethra
Bean shaped organ situated on the posterior portion of the abdominal cavity on either side of the vertebral column
kidney
The ___. kidney is usually slightly lower due to the mass of ___ above it
right; liver
The later border of the kidney is ____
convex
The medial border of the kidney is ____
concave
The medial border of the kidney presents a paint at which all structures that enter or leave the kidney pass
hilus
The hilus marks the entrance into a cavity called the
renal sinus
The upper and lower end of the kidney are referred to, respectively:
Superior and inferior pole
Gland lying upon the superior pole
adrenal gland/suprarenal gland
Internally, the cortex lies at the _____ and the medulla lies ____ to this
periphery, internal
The medulla contains the ____
medullary pyramids
The ___ renal artery is longer than the ___.
right; left
Supplies the kidney
renal arteries
Drain the kidney
renal veins
The___ renal vein is longer than the ___
left; right
The left renal vein also receives tributaries from the _______, ____, and the ____
left suprarenal vein, left gonadal vein, left ascending lumbar vein
Muscular tube that conveys urine from the renal pelvis to the urinary bladder
ureter
There are two ureters, one draining each ___
kidney
Ureters are approximately ___ in length
25 cm
The ureters descend along the _____
posterior abdominal wall
The ureters descend along the posterior abdominal wall, cross the ___________, and turn medially toward the bladder
bifurcation of the common iliac artery at the pelvic brim.
The ureters descend along the posterior abdominal wall, cross the bifurcation of the common iliac artery at the pelvic Brin, and _________
turn medially toward the bladder
Arterial supply to the ureter is _____
longitudinal
Arterial supply to the utter arises from the branches derived from the _____, ___, ___, and ___
renal artery
gonadal artery
common iliac artery
internal iliac artery
Musculomembranous sac that acts as a reservoir for the urine
bladder
Urinary bladder is located in the ___ resting upon the ___
pelvis; pubis
The muscular wall of the bladder is subdivided into two parts
Trigone
Detrusor
Part of the muscular wall of the bladder located between the two openings of the ureter and the internal urethral orfice
trigone
Remainder of the urinary bladder, outside of the trigone
Detrusor
The urinary bladder is drained by the ___
urethral
Drains the urinary bladder, fibromuscular tube that extends from the internal urethral office to the outside of the body
Urethra
Blood supply to the bladder is primarily from the _________, which are indirect branches off the _____
superior and inferior vesicle arteries; internal iliac artery.
