Olfatorio Flashcards

1
Q

Funcion dependiente del par craneal:

A

I

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2
Q

Su epitelio es:

A

Neuroepitelio

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3
Q

Trayecto de nervio olfatorio:

A

Desde neuroepitelio atraviesa lamina cribosa del etmoides

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4
Q

Facts nervio olfatorio:

A
  • par craneal mas corto
  • origen aparente: cara inf bulbo olfatorio
  • origen real: celulas mucosa olfatoria
  • sensorial
  • formado por neuronas bipolares
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5
Q

Localización de neuroepitelio (pituitaria amarilla):

A
  • regiom atical fosas
  • cornete sup y parte de medio (lat)
  • porcion sup de septum nasal (medial)
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6
Q

Que hace la vslvula nasal:

A

Redirige el flujo de aire de vertical, hacia atrás y por dentro de cornete inf

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7
Q

Cornete en el cual se perciben olores:

A

Superior

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8
Q

Cornete que humedece, limpian y calienta aire:

A

Medio e inferior

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9
Q

Celulas del neuroepitelio:

A
  • receptoras
  • ## sosténBasales
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10
Q

Facts de celulas receptoras:

A
  • protoneurona de vía olfatoria
  • polo basal (intranasal) y polo periférico (bulbo)
  • porcion amielinica (inf) y mielinizada (sup)
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11
Q

Facts basales:

A

Mecánicas
Regeneradoras

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12
Q

Localización de corteza olfatoria primaria:

A

Punta de lóbulo temporal (corteza piriforme y área periamigdaloide)

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13
Q

Rutas de olfación:

A

Ortonasal y retronasal

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14
Q

Facts ortonasal:

A
  • anterior
  • partículas odoríferas de medio ambiente (volátiles)
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15
Q

Facts retronasal:

A
  • proviene de exhalación de orofaringe hacia rinofsringe
  • relacionada con sentido de gusto
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