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Tronco encefalico
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Tronco encefalico

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  • 1. KAREM A. MARTINEZ F.RESIDENTE DE ANESTESIOLOGIA Y REANIMACIòN HSB
  • 2.  Red que comprende: Sensitiva – Motor (Conciencia)- Sustancia blanca- Sustancia gris
  • 3. - Control de variables fisiologicas: (nexo) Respiraciòn Presiòn arterial Equilibrio Vigilia-sueño
  • 4.  Funciones:- Inervaciòn - Somatosensorial-motora(cabeza-cuello) - Organos de los sentidos - Preganglionar parasimpatica a ganglios autonomicos (visceral)
  • 5.  Se subdividen en grupos funcionales:1. MOTONEURONAS- Viscerales generales: Autonomica preganglionar parasimpatica (III-VII-IX-X)- Viscerales especiales: Musculos de arcos branquiales(V-VII-IX-X-XI)- Somaticas : Musculos cara y cuello (III-IV-VI-XII)
  • 6. 2. SENSORIALES- Somatica general: Piel cara, mucosa bucal, faringe, propiocepciòn (V-VII-IX-X)- Somatica especial: Oido interno (VIII)- Somatica visceral general: Organos toracicos y viscerales (IX-X)- Somatica visceral especial: Corpusculos gustativos(VII-IX-X)
  • 7.  Anatomica:- Nucleos rafe- Regiòn magnocelular- Regiòn parvicelular
  • 8.  Neurotransmisor:- Dopaminergico (Mesencefalo) Estado emocional-dependencia- Noradrenergico (Locus coereleus) Depresiòn-dependencia- Colinergico (Talamo-corteza-limbico) Memoria-aprendizaje
  • 9. - Serotoninergico (Rafe)- Histaminergico (Diencefalo-nucleos tuberomamilares) Alerta-analgesia
  • 10.  Activaciòn del SNC y control del estado de alerta Regulaciòn reflejos medulares y tono muscular Locomociòn Participaciòn control respiratorio y cardiovascular (hipotalamo-limbico) Nocicepciòn (Asta posterior) Ciclo sueño-vigilia
  • 11. 1. Guyton A, Hall J. Tratado de Fisiologia mèdica. Mc Graw Hill. Unidad IX, pag 621-681. Decima Ediciòn. 20012. Bustamante J. neuroanatomia Funcional y Clinica. Celsus. 4ta Ediciòn. Capitulo 13.