Urinary System Flashcards Preview

Anatomy 2 > Urinary System > Flashcards

Flashcards in Urinary System Deck (15):
1

Define filtration membrane

Leaky barrier of glomerular endothelial cells

2

Define fenestrations

pores in the glomerular epithelial cells

3

Define detrusor muscle

Smooth muscle found in the wall of the urinary bladder that contracts during urination

4

Define internal urethral sphincter

urethral sphincter muscle composed of smooth muscle which constricts the internal urethral orifice

5

Define external urethral sphincter

urethral sph incter muscle composed of skeletal muscle which controls the flow of urine through the urethra under voluntary control

6

What is micturition?

the discharge of urine from the urinary bladder

7

List the major components of the urinary system

2 kidneys
2 ureters
1 urinary bladder
1 urethra

8

List functions of Kidneys

Excrete waste in urine
Regulate blood volume
Regulate blood composition
Regulate blood pressure
Synthesize glucose
Release erythropoietin
Participate in Vitamin D synthesis

9

List function of Ureters

transport urine from the kidneys to UB

10

List function of UB

store urine

11

List function of urethra

discharge urine from the body

12

The nephron is __________

the functional unit of the KD

13

List the components of the KD

renal cortex
renal medulla
nephron
collecting duct
minor calyx
major calyx
renal pelvis

14

List the components of a nephron

glomerulus, bowman's capsule, renal tubule

15

What are the major blood vessels of the kidney?

Renal artery
segmental artery
interlobar artery
arcuate artery
glomerular capillaries
interlobar veins
renal vein