Tehnici de Colorare Uzuale
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Transcript of Tehnici de Colorare Uzuale
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Tehnici de colorare uzuale
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Coloratia Van Gieson
Indicatie:
oloratie u!uala tricroma pentru tesuturi
oloranti:
Hematoxilina ferica eigert*uxina acida
cid picric
%e!ultate:&ucleu ' negru
itoplasma ' galbena
olagen ' rosu
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Coloratie Tricroma Masson
Indicatie:
oloratie speciala tricroma pentru tesuturi
oloranti:
Hematoxilina ferica
Solutie coloranta ' acid fosfomolibdenic
Solutie coloranta , ' albastru de anilina
%e!ultate:
&ucleu ' negru
itoplasma ' rosie
olagen ' albastru
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Alte coloratii pentru tesuturi
Coloratia Giemsa
oloranti: sol May #rum.ald/ sol #iemsa/ acid acetic
%e!ultate: nuclei ' rosu violet/ citoplasme policrome (de la albstru pal laalbastru inc$is)/ cartila0 albastru/ mucina violet1tila pentru detalii
morfologice in tesuturi limfoide: splina/ ganglion limfatic/ maduva osoasa
In frotiuri cervico-vaginale este utila pentru detectarea 2ric$omonas
3aginalis
Coloratia Mallory
oloranti: fuxina acida/ albastru Mallory
Coloratia AZAN
oloranti: a!ocarmin/ albastru Heiden$ein (anilina/ orange #)
%e!ultate: nucleu ' rosu/ citoplasma - albastru rosiatica/ colagen ' albastru/
tesut muscular striat ' orange1tila pentru studiul glandelor endocrine
Coloratia Lie
oloranti: oxid galben de mercur/ fuxina acida
%e!ultate: 4brele miocardice isc$emice se colorea!a in rosu
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Coloratii pentru fbrele conuncti!e
5entru colagen:
oloratia 3an #ieson/ coloratia Masson
5entru 4brele de reticulina:
Impregnare argentica #omori
5entru 4bre elastice:
%e!orcin fucsina ba!ica eigert ' albastre
6rceina ' cafeniu roscate
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Coloratii pentru structuri subcelulare
Metoda Caal "a #ano:"videntia!a complexul #olgi ' negru
itoplasma ' aurie
&ucleu ' necolorat
Metoda $emato%ilina &erica 'eau:
"videntia!a mitocondria ' negru
Metoda *rac$et:
oloranti: verde metil pironina%e!ultate: 8& ' verde/ %& - rosu
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+mprenarea arentica Gomori
oloranti:5ermanganat de potasiu (9Mn6)
Metabisul4t de sodiu si potasiu
Solutie argento-amoniacala
%e!ultate:
*ibre de reticulina ' negru
*ibre de colagen ' rosu purpuriu
&ucleu ' negru
itoplasma galbena
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*azoflia, metacromazia si ortocromazia
*azoflia ; proprietatea unor substante glucidice de a se colora
cu coloranti ba!icilbastru alcian ' colorea!a M5< acide in albastru la pH ; =
Metacromazia ; proprietatea unor substante de a se colora
diferit de colorantul utili!at (prin existenta unor grupari
anionice ce absorb lumina diferit de restul agregatelor)lbastru de toluidina ' evidentia!a mastocitele/ a caror granulatii
citoplasmice sunt rosii
-rtocromazia ; proprietatea unor substante de a se colora la fel
cu
colorantul utili!at
%osu de ongo ' evidentia!a amiloidul in rosu (in lumina vi!ibila) sau
produce o birefringenta verde (in lumina polari!ata)
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