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Kidneys 2 (Ureters (Blood Supply (Middle (Gonadal), Lower (Branches of…
Kidneys 2
Ureters
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Descends inferiorly and medially along lumbar transverse processes and over sacroiliac joint to enter bladder at level of ischial spine
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Histology
Podocyte
- Pedicels of podocytes interdigitate and leave gaps or thin flirtation slits between them
- Slits covered by slit diaphragms composed of anumber of cell surface proteins (including nephrin): restricts passage of large macromolecules(serum albumin and gamma globulin ) ensure they remain in bloodstream
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Mesangial cells
- Generation of prostaglandins and mediators of inflam
- Production + breakdown of basement membrane and other biomatrix material
- Uptake macromolecules, + immune complexese
- Central position in renal glomrulus
- Characteristics of modified smooth muscle
- Alter GFR (+juxtaglomerular eclls and macula densa)
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Ureter histology
Adventitia
Fibroelastic connective tissue, with blood vessels, lymphatics and nerves
Muscularis
(peristalsis)
- Circular layer
- Longitudinal layer
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Mucosa
(protection)
- Transitional epithelium
- Lamina propria