COMBINED RIGHT KIDNEY-NEPHRON-CORPUSCLE MODEL

A

renal column, pathway for blood vessels to/from nephron

B (at bottom)

renal capsule, protection of kidney

C

renal sinus, holds/supports structures that enter/leave kidney

1

renal vein, transports blood from interlobar vein to inferior vena cava

2

renal artery, transports blood from abdominal aorta to segmental artery

3

ureter, transports urine from renal pelvis to bladder

4

renal pelvis, transports urine from major calyx to ureter

5

minor calyx, transports filtrate from papillary duct and sends urine to major calyx

What’s highlighted in green? (no # on model key)

major calyx, transports urine from minor calyx to renal pelvis

6

renal papilla, collects filtrate from papillary duct and sends urine to minor calyx

7

renal pyramid, contains collecting/papillary ducts that collect filtrate from nephrons and drain urine towards renal papilla

8

collecting ducts, transports filtrate from distal convoluted tubules to papillary duct

19

papillary duct, transports filtrate from collecting duct and sends urine to minor calyx

9

renal cortex, filters blood

10

loop of Henle, transports filtrate from proximal convoluted tubules to distal convoluted tubules

11

proximal convoluted tubule, transports filtrate from glomerulus to descending loop of Henle

12

renal corpuscle, filters blood to form filtrate

13

interlobar artery, transports blood from segmental artery to arcuate artery

14

cortical radiate artery, transports blood from arcuate artery to afferent arteriole

16

arcuate artery, transports blood from interlobar artery to cortical radiate artery

16A

vasa recta, transports blood from efferent arteriole through renal medulla and back to cortical radiate veins

17

interlobar vein, transports blood from arcuate vein to renal vein

18

arcuate vein, transports blood from cortical radiate vein to interlobar vein

What’s highlighted in blue (no # on model)

cortical radiate veins, transport blood from vasa recta/peritubular capillaries to arcuate vein

What’s highlighted in green? (no # on model key)

segmental artery, transports blood from renal artery to interlobar artery

1

Bowman’s capsule, collects filtrate from glomerulus and sends it to proximal convoluted tubules

2a

proximal convoluted tubule, transports filtrate from glomerulus to descending loop of Henle

2b

descending loop of Henle (thick limb), transports filtrate from proximal convoluted tubule to ascending loop of Henle

3

descending loop of Henle (thin limb), transports filtrate from proximal convoluted tubule to ascending loop of Henle

4

ascending loop of Henle (thick limb), transports filtrate from descending loop of Henle to distal convoluted tubule

4d

distal convoluted tubule, transports filtrate from ascending loop of Henle to collecting tubule

5

collecting tubule, transports filtrate from distal convoluted tubule to collecting duct

6

collecting duct, transports filtrate from distal convoluted tubule to papillary duct

7 (blue)

arcuate vein, transports blood from cortical radiate vein to interlobar vein

7 (red)

arcuate artery, transports blood from interlobar artery to cortical radiate artery

8 (blue)

cortical radiate vein, transports blood from vasa recta/peritubular capillaries to arcuate vein

8 (red)

cortical radiate artery, transports blood from arcuate artery to afferent arteriole

9

afferent arteriole, transports blood from cortical radiate artery to glomerulus

9a

efferent arteriole, transports blood from glomerulus to vasa recta/peritubular capillaries

10

peritubular capillaries, transport blood from efferent arteriole to cortical radiate veins

11

renal cortex, filters blood

III

renal medulla, filtration of blood by nephrons

16a

vasa recta, transports blood from efferent arterioles through renal medulla back to cortical radiate veins

3

proximal convoluted tubule, transports filtrate from glomerulus to descending loop of Henle

4

tubular pole, allows filtrate to exit renal corpuscle

5

vascular pole, allows blood to enter/exit glomerulus

6

afferent arteriole, transports blood from cortical radiate artery to glomerulus

7

efferent arteriole, transports blood from glomerulus to vasa recta/peritubular capillaries

8

glomerular capillary, filters blood to form filtrate

9

podocytes, help form filtration membrane of renal corpuscle

10

parietal layer of Bowman’s capsule, collects filtrate formed from blood plasma in glomerular capillaries

11

filtration membrane, filters blood from glomerular capillaries to form filtrate

What is 11 composed of?

fenestrated endothelium, filtration slits, lamina densa

2

Bowman’s capsule, collects filtrate from glomerulus and sends it to proximal convoluted tubule