Flashcards in XIII - Renal/Urinary System Deck (35):
1
Epithelium of renal tubules
simple cuboidal
2
Renal Functional Unit
Nephron
3
Nephron Components
renal corpuscle, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct
4
Tuft of finely fenestrated capillaries interposed between afferent and efferent arterioles
glomerulus
5
Bowman's Capsule: simple squamous, continuous with PCT
outer parietal layer
6
Bowman's Capsule: receives the fluid filtrates through the capillary wall and visceral layer
capsular (urinary) space
7
Bowman's Capsule: podocytes resting on lamina, part of the glomerular filtration barrier
internal / visceral layer
8
PCT: Cells
simple cuboidal with brush border
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PCT: Location
cortex
10
Thin Limbs of Loop of Henle: Cells
simple squamous
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Thin Limbs of Loop of Henle: Location
medulla
12
Thick Ascending Limb of Loop of Henle: Cells
simple cuboidal
13
Thick Ascending Limb of Loop of Henle: Location
medulla, medullary rays
14
DCT: Cells
simple cuboidal
15
DCT: Location
cortex
16
Collecting Duct - Principal Cells: Features
most abundant, cuboidal to columnar
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Collecting Duct - Principal Cells: Location
medulla and medullary rays
18
Collecting Duct - Intercalated Cells: Features
few, scattered
19
Collecting Duct - Intercalated Cells: Location
medullary rays
20
Principal cells absorb
sodium
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Principal cells secrete
potassium
22
Intercallated cells absorb
bicarbonate, potassium
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Intercallated cells secrete
hydrogen
24
Glomerular Filtration Barrier
capillary endothelium, basement membrane, podocyte foot processes
25
Glomerular Filtration Barrier: Size
capillary endothelium
26
Glomerular Filtration Barrier: Charge
basement membrane, podocyte foot processes
27
Modified smooth muscle cells that secrete renin, afferent arteriole
JG (juxtaglomerular) cells
28
Monitors the concentration of sodium in the distal tubules
macula densa
29
Contains receptors for angiotensin II and atrial natriuretic peptide
mesangial cells
30
Mechanism involving kidneys responsible for regulation of blood pressure
renin-angiotensin-aldosterone system (RAAS)
31
Male Urethra: 3-4 cm, urothelium
prostatic
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Male Urethra: short, passes through external sphincter, stratified columnar, pseudostratified columnar
membranous
33
Male Urethra: 15cm, stratified columnar, psudostratified columnar, stratified squamous (distal)
spongy
34
Female Urethra: Length
4-5 cm
35