Anatomy & Neurobiology ANA 812 Urinary System: Kidney, Ureter & Urinary Bladder Kelly Chewning Emily...
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Transcript of Anatomy & Neurobiology ANA 812 Urinary System: Kidney, Ureter & Urinary Bladder Kelly Chewning Emily...
Anatomy & Neurobiology
ANA 812Urinary System:
Kidney, Ureter & Urinary Bladder
Kelly ChewningEmily FurlowPhil KeeleyLaura Ross
Anatomy & Neurobiology
Slide #126 Kidney- Human (H&E) – 2X
Minor Calyces
Renal Papilla
Papillary Duct
Collecting Ducts
Anatomy & Neurobiology
Slide #126 Kidney- Human (H&E) – 4X
Medullary Rays
Cortex
Renal Corpuscles
Anatomy & Neurobiology
Slide #126 Kidney- Human (H&E) – 40X
Renal Corpuscle
Proximal Convoluted
Tubule
Distal Convoluted
Tubule
Macula Densa
PCT
DCT
Anatomy & Neurobiology
Slide #127 Kidney – Monkey (H&E) – 2X
Medulla
Cortex
Anatomy & Neurobiology
Slide #127 Kidney – Monkey (H&E) – 4X
Arcuate
artery
Interlobular artery
Cortex – Medullar
y Junction
Anatomy & Neurobiology
Slide #126 Kidney – Human (H&E) – 40X
Bowman’s
(Filtration) Space
Visceral Layer (Podocyte Layer)
Bowman’s Capsule = Visceral +
Parietal Layers
Parietal Layer
Vascular Pole Urinary
Pole
Anatomy & Neurobiology
Slide #126 Kidney – Human (H&E) – 40X
Extraglomerular
mesangial cells
Afferent Arteriol
e
Region of Juxtaglomeru
lar Cells
(line afferent arteriole)
Anatomy & Neurobiology
Slide #128 Kidney – Monkey (H&E) – 40X
Bowman’s (Filtration)
Space
Macula Densa
Basement Membrane
Anatomy & Neurobiology
Slide #127 Kidney – Monkey (H&E) – 60X
Thin Loop of Henle
Collecting Ducts
Anatomy & Neurobiology
Slide #126 Kidney – Human (H&E) – 4X/40X
Transitional epithelium
Anatomy & Neurobiology
Slide #126 Kidney – Human (H&E) – 10X/40X
Papillary Ducts
Simple columnar epithelium
Anatomy & Neurobiology
Slide #131 Ureter- Monkey (H&E) – 4X
Transitional epithelium
Lamina propria (fibroelastic CT)
Smooth Muscle
Adventitia (loose areolar CT)
Anatomy & Neurobiology
Slide # 131 Ureter- Monkey (H&E) – 10X
Smooth muscle:
Inner layer longitudinal
Outer layer circular
(reverse of GIT)
•No distinct submucosa present in any ureter.
•Mucosa forms longitudinal folds
Anatomy & Neurobiology
Slide #131 Ureter- Monkey (H&E) - 40X
Why ureter transitional epithelium is so special:
Its basal cells are columnar in shape, however…
Most superficial cells are large and broad with dome-shaped surface facing the lumen.
Anatomy & Neurobiology
Slide # 133 Urinary Bladder- Monkey (H&E) - 4X
Detrusor
Lamina propria (fibroelastic CT)
Transitional Epithelium
Adventitia (loose areolar CT) (except for fundus: serosa)
Anatomy & Neurobiology
Slide # 133 Urinary Bladder- Monkey (H&E) – 4X
Detrusor smooth muscle:
Outer longitudinal
Circular
Inner longitudinal
Anatomy & Neurobiology
Slide # 133 Urinary bladder- monkey (H&E) – 40X
Like the ureter- the Transitional Epithelium is unique:
Its basal cells are columnar in shape, however…
Most superficial cells are large and broad with dome-shaped surface facing the lumen.
Anatomy & Neurobiology
Slide # 133 Urinary Bladder- Monkey (H&E) – 10X
Bladder is empty- mucous lining in folds.
* The bladder has no distinct submucosa
Anatomy & Neurobiology
Slide # 132 Female Urethra- Monkey (H&E) - 4X
Adventitia (loose areolar CT)
Smooth muscleLamina propria (fibroelastic CT)
Epithelial lining
Anatomy & Neurobiology
Slide # 132 Female Urethra- Monkey (H&E) - 40 X
Transitional epithelium Pseudostratified columnar Stratified squamous epithelium