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Question 1

difference between fibrosis and scelrosis

Answer 1

Fibrosis is basically replacement of normal tissue by firous bands and fibrous tissue….sclerosis is hardnening of a tissue, not necessarily due to fibrous tissue, many a times due calcification (i.e deposition of calcium salts in tissues)

Question 2

pathologic pigments 9

Answer 2

hematoidin -orange brown pigment from in the centre of hemorrhages and foci of necrosis in anaerobic conditionsIRONN FREE

hematin - brown black pigment that has 2 types

1. chronic hemaitn e
2. hemomelanin - a product of blood digetsion

Question 3

3 bleeding mechansisms in hemorrgaes

Answer 3

hemorrgaes per rhexin - lacertaion
hemorrges per diabrsoin - corrosion/ulceration
hemorrges per diapedesin - the wall is still intact, a defect in the permeability of the walls

Question 4

different cell types in inflammation

Answer 4

bacteria -neutrophilia
virus - lymphocytosis
parsites-eosinophilia