6. neurofisiologia
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Neurofsiología de las Vías
Urinarias InerioresDr. Santiago Carrillo R3GO
Dr. David Guillermo CruzR3GO
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un!iones de las Vías UrinariasIneriores
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Organiza!i"n General del SistemaNervioso
#i$os deNervios
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• Central % &eri'ri!o.• Som(ti!o % )ut"nomo.•
Sim$(ti!o % &arasim$(ti!o.
Organiza!i"n General del SistemaNervioso
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)!!i"n Sim$(ti!a so*reDetrusor.
• &ro!eso de )!omoda!i"n+• ,as f*ras $osganglionares
sim$(ti!as son noradren'rgi!as -ueestimulan re!e$tores
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)!!i"n &araim$(ti!a+ Detrusor.
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/0s!ulo liso del #rígono % de laUretra
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/0s!ulo es-uel'ti!o de las víasurinarias ineriores.
• ,os !uer$os de las neuronas selo!alizan en el n0!leo som(ti!o deOnu. – Da origen a nervio $udendo.
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Inerva!i"n Sensitiva.
• #ermina!iones $ro$io!e$tivas. – 1n los $a-uetes de !ol(geno. – 1stimula el estiramiento o !ontra!!i"n. – Sensa!i"n de $lenitud.
• #ermina!iones termoalg'si!as. – 1n mu!osa % su*mu!osa
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Inerva!i"n Sensitiva.
Re!e$tor sensitivo+$resi"n
Re!e$tor sensitivo+estiramiento
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/odula!i"n del SNC
• &rin!i$al neurotransmisor e2!itador+ – Glutamato.
• &rin!i$ales neurotransmisoresini*itorios+ – 4!ido gama amino*utíri!o – Gli!ina
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Vías !orti!ales %su*!orti!ales.
•
#ron!o del en!'alo. – Centro $ontino de la mi!!i"n 5regi"n /6+
surge el tono motor de la ve7iga.
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Vías !orti!ales %su*!orti!ales.
• N0!leos *asales. – Serotonina+ ini*idor de la a!tividad
vesi!al.
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Vías !orti!ales %su*!orti!ales.
• ,o!us !oeruleus. – Noradrenalina+ a!ilita de manera t"ni!a
los re8e7os rela!ionados !on la
!ontinen!ia.
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