Simple fat depots
Suncutaneous faat, kidneys, under serous membranes, bone marrow
Demonstration of fats
Pathological deposition of fat
Radial stripes in cortex of kidneys.
In cats its typical to have in cortex of kidneys
In birds during first 7 days of life its physiological to have fat infiltration of the liver
Fatty degenetation of thre liver
Physiological: periphery only
Pathological: centrilobular -> diffuse (severe), random, zonal, bridging, massive
Microvesicular - tiny vesicles in the cells but nucleus is intact - reversible
Macro - fat will destroy the necleus of the cell - irreversible
Steatohepatopathy
Causes of pathological fatty infiltration of the liver
Lipoidoses
Local:
- cholesteatoma in the choroid plexus
- on the pleura
- atherosclerosis
-