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12
Pathology
Not Applicable
05/17/2011

Additional Pathology Flashcards

 


 

Cards

Term

pyknosis?

Definition

nuclear shrinkage

increased basophilia

Term
karyorrhexis?
Definition
fragmentation of pyknotic nucleus
Term
karyolysis?
Definition
fading of basophilic chromatin
Term
coagulative necrosis?
Definition

glassy eosinophilic appearance (loss basophilic RNA)

 

nucleus may show pyknosis, karyolysis, karyorrhexis

 

eventually no nucleus

Term

liquefactive necrosis?

causes?

Definition

enzymatic dissolution of necrotic cells

 

abscesses (bacterial/pyogenic infections)

CNS

Term

caseous necrosis?

causes?

Definition

amorphous, granular eosinophilia surrounded by inflammatory cells

 

mycobacterium

fungal infections

Term

enzymatic fat necrosis?

where?

Definition

fatty acids + Ca++ = saponification

 

pancreas,

also other fatty areas due to trauma

Term

gangrenous necrosis?

types/specifics?

Definition

dry 

wet, due to bacterial superinfection

Term

fibrinoid necrosis?

where?

Definition

eosinophilic fibrin-like material

 

walls of blood vessels

Term
serous inflammation?
Definition
thin fluid
Term
fibrinous inflammation?
Definition

serous fluid + plasma ptns (fibrinogen)

 

pleural cavity and pericardial sac

Term
suppurtative/purulent inflammation?
Definition

serous + fibrinous + pus (purulent exudate)

 

staph, appendicitis

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