KidneyD-60, 61 Kidney, Human sec

B-28, 27 mammal kidney

A-42 KIDNEY, INJECTED,SEC

A-43 KIDNEY,HUMAN, SEC

D-3 : macula densa

C-1 Simpal cuboidal epithelium. Mammal kidney (medulla)

kidney

Medulla

Cortex D-3: “MD”

MD:part of the wall of the distal tubule where ”it kisses its glomerulus good-bye”

Long-looped nephronsLong-looped nephrons

Short-looped nephronsShort-looped nephrons

1. Subcapsular or corticalSubcapsular or cortical short-looped nephrons

2. Juxtamedullary Juxtamedullary long-looped nephrons

3. Intermediate or midcortical Intermediate or midcortical nephrons

Outer medulla

Inner stripe

Outer stripe

Inner medulla

Medulla

Nephrons

1. proximal convoluted tubule the longest & most convoluted segment

2. loop of Henle descending thick limb (pars recta) thin segment ascending thick limb

3. distal convoluted tubule

4. Arched collecting tubules; Collecting duct

Renal Tubules

Cortical labyrinth

Proximal convoluted tubule (PTC)

Distal convoluted tubule (DTC)

PCT:acidophilic cytoplasm indistinct lateral border small or occluded lumen basal striation

P

P

P

P

D

D

D

P

Proximal convoluted tubule (PCT)Distal convoluted tubule (DCT)

Inner stripe of outer medulla

□

area cribrosa

A-7 BLADDER,CONTRACTED, SEC D4 Uninary bladder

A-97 Human Ureter, csD-5 Ureter Monkey

• The mucosa: transitional epithelium and its supporting loose connective tissue

• The muscularis : smooth muscle inner longitudinal layer

middle circular layer outer longitudinal layer

• Adventitia: the connective tissue

• D-6 Urethra, mammal female • "E," stratified squamous epithelium with a

supporting connective tissue lamina propria.

• The muscularis, "M," consists of smooth muscle fiber bundles

• (an inner longitudinal layer,)• a middle circular layer, • an irregular outer longitudinal layer.

• The adventitia, "A," is a thin layer of loose fibrous connective tissue.