laboratory exercises for the urinary system

LABORATORY EXERCISES FOR THE URINARY SYSTEM

Medulla

cortex

DEMO SLIDE BOX 172 – (450-E001-H-76). Kidney, horse.

outer cortex

the inner medulla

corticomedullary junction

arcuate vessels

Uriniferous tubules expand both the cortex and medulla medullary rays,

uriniferous tubule = structural and functional unit of the kidney

Podocytes Podocytes cover the glomerular capillaries and extend into Bowman’s space as they originated from the cells of the wall when the capillary tuff invaded the original tubule

original tubule

capillary tuff

macula densa

renal corpuscle

parietal layer of the glomerular capsule (“Bowman’s capsule”),

proximal tubules

Distal tubules

“brush” border

DEMO SLIDE BOX 172– (450-E001-H-76). Kidney, horse.

JG complex

DEMO SLIDE BOX 172– (450-E001-H-76). Kidney, horse.

outer cortex

the inner medulla

arcuate vessels

uriniferous tubule distal tubule

attenuated (“thin” or “intermediate”) tubule (thin loop of Henle)

Collecting duct

capillary

Distal tubule

JG complex

DEMO SLIDE BOX 172– (450-E001-H-76). Kidney, horse.

Proximal tubule distal tubule blood vessels

Bowman's space

DEMO SLIDE BOX 172– (450-E001-H-76). Kidney, horse.

blood vessel

Bowman's space

collecting tubule

collecting duct

attenuated (“thin” or “intermediate”) tubule

papillary duct

transitional epithelium

Distal tubule

DEMO SLIDE BOX 174 (593 or 593A)– Kidney, dog.

uriniferous tubule Collecting duct

Proximal tubule distal tubule

Bowman's space

renal corpuscle

DEMO SLIDE BOX 182 (BV-1-72) –Kidney, cow.

contex

medulla

Muscular artery Nerve

Transitional epithelium

White fat Vein

DEMO SLIDE BOX 182(BV-1-72) –Kidney, cow.

Macula densa Proximal tubule distal tubule

Slide #102 (SP-1-72). Kidney, sheep.

outer cortex

cortical labyrinth

medullary rays

corticomedullary junction

arcuate vessels

medulla inner and outer zones

Papillary ducts

medullary rays with proximal and distal straight tubules

Slide #104 (20kK G). Kidney, goat. renal corpuscles; proximal and distal convoluted tubules; macula densa and complex

renal corpuscles

JG complex

proximal and distal convoluted tubules

macula densa

distal convoluted tubules

proximal convoluted tubules

Urinary pole

Vascular pole

Slide #104(20kK G). Kidney, goat. renal corpuscles; proximal and distal convoluted tubules; macula densa and complex

renal corpuscles

macula densa

distal convoluted tubules

proximal convoluted tubules

proximal and distal straight tubules

Urinary pole Vascular pole of

Slide #104(20kK G). Kidney, goat.

proximal and distal straight tubules

attenuated (“thin” or “intermediate”) tubule (thin portion of loop of Henle

proximal and distal straight tubules

Blood capillaies

Slide # 140 (Pf5-207a). Kidney, pig (PAS stain).

stain (PAS) for glycoproteins and some other carbohydrates. The basement membrane contains considerable glycoproteins

brush border of the proximal renal tubules

basement membrane.

Renin granules in Kidney (PAS)

258

Renin granules Juxamadullary nephrons

Proximal tubule

Distal tubule

Renin granules in JG cells of Kidney (PAS)

Renin granules

258

DEMO SLIDE BOX 173- (E3-H-166). Ureter, horse.

transitional epithelium, lamina propria/submucosa, tunica muscularis, and serosa.

transitional epithelium

lamina propria/submucosa,

tunica muscularis

serosa. tunica muscularis has 2 OR 3 LAYERS of smooth muscle and occupies less than 50% of the wall

DEMO SLIDE BOX 222 – (C-H-168,169). Ureter and urethra, dog.

transitional epithelium

serosa.

Mesothelium of serosa

Erectile tissue/vessels of the dog penis

Slide #55 (M 3- 210j). Ureter, monkey.

transitional epithelium MUSCULAR ARTERY AND COMPANION VEIN. SHOULD ALSO FIND ARTERIOLES, VENULES, AND CAPILLARIES

MUSCULAR ARTERY

Nerve arteriole

capillary

nerve

VENULE

DEMO SLIDE BOX 69 – Ureter, dog.

transitional epithelium

tunica muscularis

Slide #52 (M4-13K). Ureter, monkey.

transitional epithelium tunica muscularis.

Slide #54 (Dog1-214C). Urinary bladder, dog.

tunica muscularis GREATER THAN 50% Of wall

lamina propria/submucosa

Three layers arrangement is VARIABLE; and INTERMIXED

transitional epithelium

DEMO SLIDE BOX 188 (SP-1-161). Urinary bladder, sheep.

tunica muscularis

transitional epithelium

DEMO SLIDE BOX 70 – Urinary bladder, dog.

transitional epithelium tunica muscularis.

tunica muscularis.

Slide #49 (Rbt 100-211A). Urinary bladder, rabbit.

LARGE INTESTINE

transitional epithelium

LARGE INTESTINE