NUR 631 Renal

NUR 631 Renal
1. juxtaglomerular apparatus
Answer
in the nephron, the complex of cells from the distal tubule and the afferent arteriole which helps
regulate blood pressure by secreting renin in response to blood pressure changes in the kidney;
located nearthe glomeru- lus
2. The macula densa cells respond to .
Answer
changes in solute content of the filtrate
3. juxtaglomerular cells
Answer
The cells of the afferent artery at the juxtaglomerular apparatus. They are baroreceptors that
secrete renin upon sensing a decrease in blood pressure.
4. Renin
Answer
hormone secreted by the kidney; it raises blood pressure by influencing vasoconstriction
(narrowing of blood vessels)
5. intercalated cells
Answer
cells in the collecting ducts of the kidneys that can absorb potassium if necessary
6. trigone of urinary bladder
Answer
the area within the urinary bladder where the two ureteral orifices and urethral orifice are
located
7. detrusor muscle
Smooth muscle that compresses the urinary bladder and expels urine into the urethra.