| Front | What is the mechanism of Type III hypersensitivity? |
| Back | Type III hypersensitivity involves formation of insoluble antigen-antibody (ag-Ab) immune complexes: immune complexes may precipitate out of solution and form deposits in the vasculatureformation of precipitating immune complexes is favored by the presence of ag in slight excess over Abthe immune complexes may precipitate either locally or systemically - predilection sites include renal glomeruli, joints, skin, heart, serosa |
| Front | What is happening in this bovine lung?
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| Back | Intersitial pulmonary oedema in a cow has caused widespread separation of pulmonary lobules |
| Front | What doe these images show?
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| Back |
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