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Localización del SNA

Simpático:


Toraco-lumbar: T1-L2, ganglios cervicales.



Parasimpático:


Cráneo-sacro: III, VII, IX y X; S2-S4

NT pre y postsinápticos del SNA

Simpático:


Pre: acetilcolina


Post: noradrenalina



Parasimpático:


Pre: acetilcolina


Post: acetilcolina

Ubicación del ganglio en SNA

Simpático:


Alejado del órgano efector (fibra postganglionar larga)



Parasimpático:


Cercano al órgano efector (fibra postganglionar corta)

Neurotransmisores en SNA

Simpático:


Adrenalina


Noradrenalina



Parasimpático:


Acetilcolina

Distribución del SNA

Simpático:


Amplia y difusa



Parasimpático:


Localizada

Receptores del SNA

Simpático:


Alfa y beta



Parasimpático:


Muscarínicos y nicotínicos

Funciones del SNA

Simpático:


Lucha, huída, estrés.



Parasimpático:


Descanso, alimentación, estudio

Distribución, NT y sinapsis del SNS

Inervación SNS

Inervación SNP

Síntesis y liberación de NT

Receptores del SNA