fisiologia del olfato Flashcards

1
Q

propósito final del sistema del olfato?

A

Detectar químicos volátiles, transducir información y usarla para alimentación y supervivencia.

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2
Q

epitelio olfatorio

A

ORNs
se adaptan rapido
celulas de bowman

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3
Q

ORNs

A

son celulas bipolares receptores olfatorios

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4
Q

receptores olfatorios

A

se regeneran
forman nuevas sinapsis
sinapsis tiempo
se adaptan rapido

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5
Q

las celulas de Bowman

A

secretan moco

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6
Q

7 olores primarios

A
  • Alcanforado.
  • Almizcleño.
  • Floral.
  • Mentolado.
  • Etéreo.
  • Acre.
  • Pútrido.
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7
Q

Proteínas Golf

A

apertura de sodio y de calcio

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8
Q

no tiene relevo

A

talamico

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9
Q

proceso

A

1 axones ORNs se juntan y forman nervio olfatorio
2 1 ra sinapsis en los glomerulos — entre ORNs y celulas mitrales
3 celulas mitrales son de proyecciones y sus axones forman el tracto olfatorio lateral
4 corteza

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10
Q

Pérdida del olfato signo

A

de Alzheimer y enf de Parkinson.

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11
Q

Alucinaciones olfativas

A

esquizofrenia.

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12
Q

Anosmia:

A

Pérdida de capacidad olfativa, usualmente específica. A los 60 años solo se pueden reconocer de 30 a 40% de aromas.

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