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Resumen sistema nervioso

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Resumen sistema nervioso

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Resumen sistema nervioso
General
Concepto

Controla y coordina las funciones de todo el cuerpo, detecta y responde a estímulos externos e
internos. Transmite señales eléctricas llamadas impulsos

Ubicación

Está distribuido por todo el cuerpo humano

Estructura anatómica

- SNC: Encéfalo (Cerebro, Cerebelo, tronco del encéfalo) y Medula Espinal.
- SNP: Nervios (conjunto de células nerviosas unidas entre sí), y neuronas

El SNP se divide en somático (control voluntario) y autónomo (involuntario); que a su vez se divide
en simpático (activa, hiperestimula, alerta) y parasimpático (relajación, estabiliza)

Función

Dirige, supervisa y controla todas las funciones y actividades de nuestros órganos y organismo en
general.

En el caso de un estímulo de dolor (ej. Pinchazo en un dedo); recibe el impulso lo capta x nervios
sensitivos, viaja por la médula espinal (hacia el encéfalo) y baja la información a través de la
medula espinal y llega a los nervios motores.

Encéfalo
Concepto

Lugar donde se originan los impulsos, control maestro del organismo.

Ubicación

Plano sagital: se encuentra en la parte media

Plano frontal: se encuentra en la parte posterior del cráneo

Plano horizontal: está en la zona inferior del cráneo

Estructura anatómica

Se divide en: cerebro, cerebelo, tronco cerebral, tálamo e hipotálamo

Función

Recibe, interpreta, almacena y regresa información

Cerebro

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Uploaded on
April 3, 2022
Number of pages
4
Written in
2021/2022
Type
Class notes
Professor(s)
Jaime
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