cÉlulas do sistema imune
DESCRIPTION
CÉLULAS DO SISTEMA IMUNE. SISTEMA MIELÓIDE. Células derivam da medula óssea citoplasma c/ grânulos Granulócitos núcleos lobulados e irregulares Polimorfonucleares. SISTEMA MIELÓIDE. Neutrófilos não absorvem corantes Eosinófilos - PowerPoint PPT PresentationTRANSCRIPT
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Células
derivam da medula óssea
citoplasma c/ grânulos Granulócitos
núcleos lobulados e irregulares
Polimorfonucleares
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Neutrófilos
não absorvem corantes
Eosinófilos
absorvem corantes ácidos eosina
Basófilos
absorvem corantes básicos hematoxilina
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Neutrófilos
Principal tipo celular
Medula óssea corrente sangüínea
tecidos12h
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Sangue: células redondas
Citoplasma granular
Núcleo: - Segmentado
- Bastão
Grânulos
primários - enzimas bactericidas
secundários - enzimas
Presença de poucos ribossomos
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Eosinófilos
2° granulócito mais importante
Coram-se c/ eosina vermelho
Maturação: Baço
Meia-vida nos tecidos: 12 dias
Parasitismo: Eosinofilia
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Ligeiramente maior que neutrófilos
Núcleo: lobulado
Grânulos
primários: arilsulfatase, peroxidase e fosfatase ácida
cristalóides: proteína básica maior, proteína catiônica eosinofílica, peroxidase e neurotoxina
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Eosinófilos
Células fagocíticas
Principal atividade: destruição do parasita
Fagocitose
Quimiotaxia, aderência, ingestão e digestão
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Tipo celular menos numeroso
Coram-se por hematoxilina
Encontrados: vasos
Grânulos
heparina e histamina
escuros
Reações de hipersensibilidade imediata
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PLAQUETAS
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LINFÓCITOS
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MONÓCITOS
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Leucócitos e plaquetas de aves
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Neutrófilos
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Linfócitos
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Monócitos
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Eosinófilos
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Basófilos
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A: Canina B: Eqüina C: Felina D: Bovina E: nuvem de plaquetas e fibrina F: Nuvem de plaquetas