2.6. Gusto y olfato Flashcards

1
Q

Inervación de la lengua

A
  • Glosofaringeo
  • Facial (cuerda del tímpano)
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2
Q

Canales iónicos

A
  • Salado
  • Ácido
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3
Q

Segundos mensajeros

A
  • Dulce
  • Umami
  • Amargo
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4
Q

Estímulo para el sabor agrio

A

H+

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5
Q

Estímulo para el sabor salado

A

Cationes de sales

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6
Q

Estímulo para el sabor dulce

A
  • Azúcar
  • Alcoholes
  • Aldehídos
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7
Q

Estímulo para el sabor amargo

A
  • Compuestos nitrogenados
  • Alcaloides
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8
Q

Recetores TRPV1

A
  • Tracto digestivo → Ardor, plexo entérico
  • Lengua y cavidad oral → NC V, ardor
  • Canales iónicos activados por capsaisina
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9
Q

¿Qué provoca el asco a un alimento?

A

NC X

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10
Q

Estímulo para el sabor umami

A

Aminoácidos → Glutamato

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11
Q

Receptores sabor dulce

A
  • T1R2
  • T1R3
  • Gq
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12
Q

Receptores del sabor amargo

A
  • T2R
  • Gq
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13
Q

Receptores del sabor umami

A
  • T1R1
  • T1R3
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14
Q

Termorreceptores

A

Frío → TRPM8
Calor → TRPV1 y TRPV2

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15
Q

Tipo de receptor del olfato

A

Proteína Golf (Gi → Adenilato ciclasa)
Contacto directo con molecula

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16
Q

Olores primarios

A
  • Alcanforado.
  • Almizcleño.
  • Floral.
  • Mentolado.
  • Etéreo.
  • Acre.
  • Pútrido.
17
Q

¿Qué indican las alucinaciones olfativas?

A

Esquizofrenia

18
Q

Qué puede indicar la anosmia

A

Alzheimer o Parkinson