180: Kidney Anatomy and Histology Flashcards
What is structure #11?
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Outer medullary collecting duct
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2 is pointing to the…
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Minor calyces
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What is structure #3?
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Thick descending loop of Henle
(aka proximal straight tubule)
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What structures make up the renal corpuscule?
Bowman’s capsule + glomerular capillaries
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What is structure #6?
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Thick ascending Loop of Henle
(aka distal straight tubule)
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14 is pointing to the…
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The cortex
Contains the cortical labyrinth, medullary rays, and renal columns
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List the steps in the path that urine takes from Bowman’s space to the ureter
- Bowman’s space
- Proximal convluted tubule
- Thick descending limb of the LOH (proximal straight tubule)
- Thin descending limb of the LOH
- Thin ascending limb of the LOH
- Thick ascending limb of the LOD (distal straight tubule)
- Macula densa - part of the juxtaglomerular apparatus
- Distal convluted tubule
- Collecting tubule
- Cortical collecting duct
- Medullary collecting duct
- Minor calyx
- Major calyx
- Renal pelvis
- Ureter
1 is pointing to the…
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Renal capsule
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What is structure #10?
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Cortical collecting duct
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What is the functional unit of the kidney?
Nephron
Nephron = renal corpuscule + renal tubules
What structures make up the medullary rays?
Straight tubules + collecting tubules + collecting ducts
What structures make up the cortical labyrinth?
Renal corpuscules + convluted tubules
List the steps in the path that blood takes through the kidney, starting with the renal artery and ending with the renal vein
- Renal artery
- Segmental arteries
- Interlobar arteries
- Arcuate arteries
- Interlobular arteries
- Afferent arterioles (enters the renal corpuscule)
- Glomerular capillaries
- Efferent arterioles (leaves the renal corpuscule)
- Peritubular arteries (cortex) + Descending vasa recta (medulla)
- Interlobular veins + Ascending vasa recta
- Arcuate veins
- Interlobar veins
- Segmental veins
- Renal vein
- IVC
Which one of the following is part of the filtration apparatus?
A. Parietal layer of Bowman’s capsule
B. Mesangial cells
C. Podocytes
D. Juxtaglomerular cells
E. Macula densa cells
C. Podocytes
7 is pointing to the…
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Fat in the renal sinus
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What structures make up the renal corpuscule?
Bowman’s Capsule + Glomerular Capillary tuft
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What is structure #5?
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Thin ascending Loop of Henle
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What structures make up the lobe of the kidney?
Medullary pyramid + associated renal cortex
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What structures make up the filtration apparatus (permeability barrier) in the glomerular corpuscule?
Fenestrated endothelial cells
Foot processes of the podocytes w/ slit diaphragms
Glomerular basement membrane
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What is structure #1?
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Renal corpuscule
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What structures make up the renal columns?
Cortical regions of the kidney that extend between the pyramids of the medulla
What is structure #4?
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Thin descending Loop of Henle
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13 is pointing to the…
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Medullary pyramids
(The medulla is made up of the pyramids)
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What is structure #12?
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Inner medullary collecting duct
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3 is pointing to the…
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Blood vessels entering the renal parenchyma
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Where in the body is the kidney located?
Retroperitoneal location in the posterior abdomen
The left kidney is slightly higher up than the right
6 is pointing to the…
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Renal pelvis
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What cells make up the juxtaglomerular apparatus?
Macula densa cells+ juxtaglomerular cells
- Macula densa cells
- Modified distal tubule cells
- Juxtaglomerular cells
- Modified smooth muscle cells associated with the arteriole
- More in the afferent than efferent
8 is pointing to the…
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Minot calyces
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What is structure #7?
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Macula densa
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What is structure #2?
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Proximal convoluted tubule
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What structures are contained in the pyramids of the kidney?
Straight tubules
Loop of Henle
Collecting ducts
5 is pointing to the…
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Major calyces
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What is structure #9?
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Collecting tubule
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What is structure #8?
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Distal convoluted tubule
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4 is pointing to the…
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Renal sinus
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What ist he function of the juxtaglomerular apparatus (JGA)?
Regulates blood pressure via by activating the RAA system (if BP is too low) or by initiating tuboglomerular feedback (if BP is too high)
9 is pointing to the…
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Ureter
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12 is pointing to the…
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Renal Papilla
At the base of the pyramid, in the medulla
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10 is pointing to the…
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Base of the pyramid
(Part of the renal medulla)
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11 is pointing to the…
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Renal column (of Bertirin)
Part of the cortex
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Which structure is labeled by B?
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Podocyte
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Which structure is labeled by C?
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Mesangial matrix
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Which structure is labeled by D?
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Mesangial cell
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Which structure is labeled by E?
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Endothelial cell
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Which structure is labeled by F?
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Glomerular basement membrane
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