Morphology of Inflammation

Question 1

serous

Answer 1

exudate of cell-poor fluid into spaces created by injury to epithelia or lined body cavities

ex: blister, effusion

Question 2

fibrinous

Answer 2

fibrinogen leaks out of vessels with large increases of permeability - fibrin deposited into extracellular space

occurs in meninges, pericardium, pleura

Question 3

suppurative

Answer 3

pus - purulent exudate with neutrophils, debris of necrotic cells, and fluid.

often caused by infection with pyrogenic (pus-producing) bacteria

ex: abscesses, acute appendicitis

Question 4

pseudomembranous

Answer 4

bacterial toxin damages mucosal lining

necrotic tissue

assocaited with C. diff