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Oftalmo > Orbita > Flashcards

Orbita Flashcards

1
Q

Dimensiones de la orbita

A

Profundidad: 40-45mm
Altura: 35mm
Anchura: 40mm

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2
Q

Volumen de la orbita

A

30ml

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3
Q

Estructuras de la orbita

A 
1- Globo ocular
2- Nervio optico
3- Musculatura extraocular
4- Paquete vasculonervioso
5- Glandula lacrimal
6- Grasa preorbitaria
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4
Q

Huesos que forman la orbita

A 
Frontal
Esfenoides
Etmoides
Palatino
Maxilar
Cigomatico
Lagrimal
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5
Q

Pinzamiento a nivel de la mastoides del nervio supraorbitario que da?

A

Neuralgia en la frente

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6
Q

Huesos del borde inferior de la orbita

A

Maxilar y cigomatico

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7
Q

Borde lateral de la orbita

A

Cigomatico y frontal

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8
Q

Borde medial de la orbita

A

Frontal, ala menor del esfenoides, etmoides cresta lagrimal (hueso lagrimal) y maxilar

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9
Q

Parte mas debil de la orbita

A

Pared interna

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10
Q

Donde se encuentra la fosa lagrimal?

A

En la pard medial

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11
Q

Donde esta la fosa de la glandula lagrimal

A

Anterolateral dentras de apofisis cigomatica del frontal

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12
Q

Huesos del suelo de la orbita

A

Cigomatico, palatino, maxilar

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13
Q

Pared mas fuerte de la orbita

A

Lateral

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14
Q

Donde se encuentra el tuberculo de Whitnnall

A

En la pared lateral de la orbita

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15
Q

Que entra por el agujero optico

A
  • Nervio optico
  • Arteria oftalmica
  • Fibras simpaticas del plexo carotideo
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16
Q

Quienes atraviesan la fisura orbitaria superior

A

Pares: 3,4,5,6
Fibras del nervio simpatico
Vena oftalmica superior

17
Q

Quienes atraviesan la fisura orbitaria inferior

A
  • Maxilar (V2) y cigomatico
  • Vena oftalmica inferior
  • Nervio infraorbitario
18
Q

Epifora

A

Cuando se tapa el conducto nasolagrimal

19
Q

Quienes tienen anhidrosis?

A

Los horners preganglionares

20
Q

Raices del ganglio ciliar

A

Sensorial: Nasociliar de V1
Motora: III par
Simpatica: Plexo de carotida interna

21
Q

Inervacion de rama nasociliar de V1

A

Cornea, iris y cuerpo ciliar

22
Q

Distribucion de raiz motora del ganglio ciliar (Raiz inf. 3 par)

A

Esfinter del iris (parasimpatica)

23
Q

Distribucion de la raiz simpatica del ganglio ciliar

A

Vasos sanguineos oculares

24
Q

Distribucion del 3er par

A
  • Recto superior
  • Recto inferior
  • Recto interno
  • Oblicuo inferior
  • Elevador del parpado
25
Q

Distribucion del 4to par

A
  • Oblicuo superior
26
Q

Distribucion del 6to par

A
  • Recto externo
27
Q

Irrigacion de la orgiba

A

Arteria oftalmica

Oftalmo (10 decks)

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