Exam 4: Ch 25 Urinary System Flashcards
Urea
Product of protein metabolism
Uric acid
product of nucleic acid metabolism
Creatinine
waste product from muscle wear
osmosregulation
function of urinary system to regulate salt and water balance of tissues (blood pressure and volume)
Erythropoietin
stimulates production of red blood cells
slit on medial surface of kidney where renal nerves, blood vessels, and ureter enter
Hilum
deep to and fused with parietal peritoneum; binds kidney to abdominal wall
Renal fascia
adipose tissue; cushions kidney
perineal fat capule
Fibrous capsule of kidney
protection from trauma and infection
Outer zone of internal kidney appears grainy
Renal cortex
Inner zone of internal kidney appears lined
Renal medulla
Renal columns
extension of the cortex into the medulla
Renal columns divide the medulla into
6 to 10 renal pyramids
renal pyramids
conical shaped region of medullary tissue
Base: broad region
Renal papilla: pointed apex of pyramid facing renal sinus
Cup-like structure enclosing a renal papilla and collects urine from renal papilla
Minor calyx
Major calyx
formed by fusion of 2-3 minor calyces
Renal pelvis
formed by fusion of 2-3 major calyces