Vítreo Flashcards

1
Q

Función

A

Soporte del globo ocular

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2
Q

Composición del vítreo

A

Agua 99%
Colágeno II y IX
Mucopolisacáridos
Ácido hialurónico

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3
Q

Base vítrea

A

Se adhiere a la periferia de la retina y pars plana

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4
Q

Estructura que permite las uniones vítroretinianas

A

Células de Muller

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5
Q

Adherencias del vítreo

A

Periferia retiniana
Borde del NO
Vasos de la retina

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6
Q

Membrana del vítreo

A

Haloides

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7
Q

Cristalino nace de:

A

Cél de ectodermo superficial

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8
Q

Retina y epitelio nacen de

A

Neuoectodermo

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9
Q

Vítreo primario

A

1 MDG
Secreta céluas retinianas
Art. hialoidea

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10
Q

Vítreo secundario

A

Mes 2 DG
Completo mes 5-6
Vasos hialoides atróficos: canal de Choquet

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11
Q

Vítreo terciario

A

4 MDG

Forma base vítrea y zónulas

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12
Q

Sistema hialoideo

A

Ramas de la A. hialoidea

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13
Q

Arcadas del sist. hialoideo

A

Tunica
Vasculosa
Lentis

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14
Q

Enfermedades vítreas

A
DVP
Licuefación vítrea
Opacidades
PVPH
Hemorragia
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15
Q

Opacidades vítreas

A

Microdesopsias
Hialosis
Inflamatorias
Degeneración amiloide

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16
Q

Características del desprendimiento de vítreo posterior

A

Cambio normal del vítreo
Edad avanzada
Miopes
Miodesopsias

17
Q

Diferencia entre desgarro y desprendimiento de retina

A

Desgarro: circunferencia pequeña
Desprendimientto: mal delimitado

18
Q

Tx del desprendimiento de retina

A

Láser