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Sistema Nervioso I Med

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Transcript of Sistema Nervioso I Med

Hasta la próxima!!!
Permite responder a cambios en el ambiente

Anatómicamente se subdivide:
Sistema nervioso central (SNC)
Sistema nervioso periférico (SNP)

Funcionalmente se subdivide:
Sistema nervioso somático (SNS)
Sietema nervioso autónomo (SNA)
Generalidades
Neurona
Sensitivas - Motoras - Interneuronas
Transporte axonal
Existen 3 tipos de transporte:
Anterógrado rápido
Anterógrado lento.
Retrógrado (lento)
Células Gliales
SNC
Sistema Nervioso I
Composición
Neuronas
Glias (células de soporte)
Soporte - Aislamiento - Reparación - Regulación - Eliminación neurotransmisores - intercambio.
Barrera hematoencefálica
Soma o cuerpo neuronal
División morfológica
Unipolar
Pseudounipolar
Bipolar
Multipolar
Dendritas
Axones
Sinapsis
Unión especializada para transmisión del impulso nervioso.
Químicas y eléctricas
Full transcript