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- Fibrinous Transudate
- increase in fibrin causes this shaggy coating. can occur between membranes and decrease mobility, such as in fibrinous pericarditis
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- Serous Exudate
- "like serum" - fluid filled cavity
- this one is following a burn
- Note that it's pretty much empty - use this to identify serous
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Vascular Congestion and Stasis
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- Large vesicle - bullae. most likely serous exudate
- blackness - eschar
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- subcutaneous bullae
- normally contains an exudate. this one looks like it's purulent (good deal of fibrin in there. Purulent is fibrinous + PMNs)
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Shaggy appearance up top indicates fibrinous exudate over the surface (in this case, of the heart). Due to the breaking of fine adhesions b/w visceral and parietal pericardium
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Pseudomembrane of necrotic, inflammatory cells and fibrous jazz accumulated over the epithelial glands
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Pale area is fibinous exudate that has caused the lung to consolidate with the darker, aerated region
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Neutrophils (left) and fibrin (light pink, "chicken wire") within the alveolar spaces. Pneumonia
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- Purulent Exudate is masking the gyral pattern of the brain.
- Also see hyperemia
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- Furuncle - skin abcess
- Abscess with skin ulceration
A bunch of these is a carbuncle. you'd see swelling and erythemia of the entire skin
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