7/4/2015professor marcello 1 sistema muscular. professor marcello 2 7/4/2015 tecidos musculares
TRANSCRIPT
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11/04/23 Professor Marcello 1
Sistema muscular
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Professor Marcello 211/04/23
Tecidos musculares
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Professor Marcello 311/04/23
Tipo Célula Velocidade Comando
Estriado esquelético
longa
plurinucleada
rápido Voluntário
(SNPS)
Estriado cardíaco
ramificada
1ou 2 núcleos
rápido Involuntário
(SNPA)
Liso
fusiforme
1 núcleo
lento Involuntário
(SNPA)
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Professor Marcello 411/04/23
Sinapse neuromuscular (mioneural):placa motora
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Professor Marcello 511/04/23
RETÍCULOSARCOPLASMÁTICO:
reserva de cálcio
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Professor Marcello 611/04/23
Ação muscular
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Professor Marcello 711/04/23
Sarcômero
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Professor Marcello 811/04/23
CONTRAÇÃO MUSCULAR
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Professor Marcello 911/04/23
cálcio
ATP
ACTINA
MIOSINA
ATP
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Professor Marcello 1011/04/23
glicose
oxigênio
mitocôndria
CO2
água
36 ATP
glicogênio
mioglobina
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Professor Marcello 1111/04/23
Excesso de atividade
Baixa oxigenação
Fermentação
láctica
Muito ácido láctico fadiga dores
rigidez
cãibra
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Professor Marcello 1211/04/23
repouso
ATP
glicose
(instável)
ADP
P CREATINA
FOSFOCREATINA
(estável)
PC + ADP ATP + C
CREATINA QUINASE (CK)