modificari celulare de adaptare Flashcards

1
Q

atrofia

A

reducerea volumului si functiei unei celule

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2
Q

atrofia de senescenta

A

-atrofie fiziologica generalizata care afecteaza intregul organism
-mai extinsa la nivelul creierului, ficatului,cordului, pielii, oaselor
-isi micsoreaza volumul, dar isi pastreaza forma

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3
Q

hipertofia

A

cresterea volumului unei celule si cresterea capacitatii sale functionale

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4
Q

hiperplazie

A

cresterea numarului celulelor dintr-un tesut sau organ

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5
Q

metaplazia

A

transformarea unei celule diferentiate intr-un alt tip de celula, tot diferentiata

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6
Q

displazia

A

-patologica
-modificarea volumului, formei si organizarii componentelor celulare ale unui tesut

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7
Q

displazia presupune

A

-variatia marimii si formei celulelor
-cresterea volumului nucleilor=> neregulati si hipercromi
-bulversarea stratificarii, disproportie intre straturi

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8
Q

displazia se observa mai frecvent

A
  • epiteliul scuamos hiperplazic
    -in zonele de metaplazie scuamoasa
  • colita ulcerativa
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