biocel examen practic optic
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BiocelularaTRANSCRIPT
![Page 1: Biocel Examen Practic Optic](https://reader030.vdocuments.site/reader030/viewer/2022033005/563dba83550346aa9aa648f2/html5/thumbnails/1.jpg)
Evidentierea RER din neuron (corpii Nissl)Sectiune prin maduva spinariiColoratie: violet de crezil
Lp 6
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Evidentierea ap Golgi
Sectiune prin ganglionul spinal
Impregnare cu azotat de argint, metoda Aoyama
Lp 6
Nucleu, nucleol - transparent
Ap Golgi - negru
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Evidentierea mitocondriilor
Sectiune prin ficat
Coloratie cu hematoxilona ferica Heidenheim
Lp 6
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Evidentierea lisosomilor din celulele Kuppfer
Sectiune prin ficat
Coloratie tripla: hematoxilina, eozina, tus de China
Lp 6
Vena centrolobulara
Nucleu – hematoxilina - albastru
Citoplasma – eozina – roz rosu
Celule Kuppfer + lisosomi - Negri – tus de China
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Evidentierea acizilor nucleici
Sectiune prin radacina de usturoi
Coloratie dubla: verde metil, pironina, metoda Brachet (imersie)
Lp 4
Perete de celuloza
Citoplasma: ARN – pironina - rosu
Nucleu: ADN – verde metil – albastru verzui
Nucleol: ARN – pironina - rosu
Ribozomi: ARN – pironina - rosu
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Evidentierea acizilor nucleici
Sectiune prin pancreasul exocrin
Coloratie dubla: verde metil, pironina, metoda Brache
Lp 4
Nucleu: ADN - verde metil albastru verzui
Nucleol: ARN – pironina - roz
Citoplasma bazala: ARN - pironina
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Evidentierea acizilor nucleici, sectiune prin ficat, coloratie dubla: verde-metil, pironina, metoda Brache
Nu intra la examen (?)
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Evidentierea lipidelor din adipocite
Sectiune prin tesut adipos
Coloratie dubla: Sudan III, hematoxilina
Lp 4
Lipide – Sudan III – galben portocaliu
T. Conjunctiv – hematoxilina – albastru violet (fasii)
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Evidentierea lipidelor
Sectiune prin tesut hepatic (de sobolan) (steatoza hepatica)
Coloratie: Sudan III
Lp 4
Vacuole lipide – Sudan III – portocaliu
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Evidentierea lipidelor
Sectiune prin tesut hepatic
Coloratie: Sudan negru
Lp 4
Vacuole lipide – negre
Nuclei - transparenti
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Evidentierea glicogenului
Sectiune: tesut hepatic
Coloratie: carmin Best + hematoxilina
Vena centrolobulara: hematii
Nucleu – hematoxilina – albastru violet
Granuloe de gliogen – carmin Best - rosu
Lp 4
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Evidentierea incluziunilor citoplasmatice – granulatii de melanina – in melanocite
Solzi de peste
Coloratie naturala
Lp 4
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Cromozomi umani din limfocite
Bandare prin metoda Giemsa (imersie)
?
Lp 5
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Studiul etapelor mitozei
Sectiune prin varf germinativ al radicinii de ceapa – mersitem radicular
Coloratie: hematoxilina ferica, metoda Heidenhein interfaza
Prometafaza – dispare invelisul nuclear; dispare nucleolul
Profaza – condensarea cromatinei - spirem
Telofaza – 2 nuclei
Lp 5
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Metafaza – cromozomii sunt aliniati pe placa ecuatoriala
Anafaza – migrarea celor 2 seturi de cromozomi spre polii celulei
Lp 5