Overview of the Urinary System

Question 1

kidneys are located..

Answer 1

retroperitoneal against posterior abdominal wall

Question 2

tissue layers surrounding kidney’s

Answer 2

• fibrous capsule: dense irregular CT, covers outer surface of kidney (deep)
• perinephric fat: adipose providing cushioning
• renal fascia: dense irregular CT, anchors kidney to posterior abdominal wall
• paranephric fat: adipose located between renal fascia and peritoneum (superficial)

Question 3

renal columns

Answer 3

extensions of renal cortex that project into medulla and subdivide it into renal pyramids

Question 4

minor calyx

Answer 4

each renal papilla projects into a hollow funnel-shaped structure

Question 5

major calyx

Answer 5

convergence of minor calices

Question 6

renal pelvis

Answer 6

medial region of kidney, collects urine and transports it into ureter