Hipotalamo Flashcards

1
Q

Funciones del hipotalamo?

A

Homeostasis
Regula s.n. autonomo y s. endocrino
Secreta hormonas
Regula conductas de supervivencia(hambre,sed,sueño,dolor)

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2
Q

Cuales son las regiones en las que se divide?

A

Preoptica
Supraoptica
tuberosa
mamilar

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3
Q

Nucleo supraquiasmatico?

A

Principar regulador de ritmos circadianos
posee un reloj molecular interno

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4
Q

Nucleo anterior del hipotalamo ?

A

Regula la sed
Termoregulacion-enfria cuerpo

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5
Q

Nucleo ventromedial?

A

Centro de saciedad
lesion da obesidad por apetito

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6
Q

Nucleo paraventricular o supraoptico?

A

Sintetiza vasopresina y oxitocina

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7
Q

Nucleo arqueado

A

Regula apetito
Libera gonadotropina,crecimiento y dopamina

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8
Q

Nucleo dorsal?

A

F. autonomicas
p.arterial,pupilas,temblor y temp

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9
Q

Cuerpo mamilar?

A

eferencias al talamo
parte del s.limbico

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10
Q

como se divide la hipofisis?

A

adeno hiposfis
neurohipofisis

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11
Q

Como se comunica con la adenohipofisis?

A

s. porta hipofisiario

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12
Q

Como se comunica con la neurohipofis?

A

S.nervioso

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13
Q

que libera la neurohipofisis

A

vasopresina y oxitocina

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14
Q

Que fatores libera el hipotalamo?

A

F. de crecimiento(GH)
gonadotropina(LH,FSH)
thyrotropina(TSH)
corticotropina(ACTH)
prolactina(PRL)

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