4to Bloque: Extremidades Flashcards

1
Q

SDG a la que se forman las extremidades

A

4ta

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2
Q

Molécula para las extremidades anteriores

A

TBX-5

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3
Q

Molécula para las extremidades posteriores

A

TBX-4

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4
Q

¿De dónde derivan las extremidades?

A

Mesodermo lateral somático o parietal

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5
Q

3 ejes de las extremidades

A

Proximodistal, anteroposterior y Dorsoventral

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6
Q

Centro para el eje proximodistal

A

CEA

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7
Q

Centro para el eje anteroposterior

A

ZAP

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8
Q

Centro para el eje Dorsoventral

A

Ectodermo

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9
Q

Molécula para el eje proximodistal

A

FGF

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10
Q

Molécula para el en eje anteroposterior

A

Shh

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11
Q

Molécula para el eje Dorsoventral

A

Wnt-7a y En-1

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12
Q

Derivados del estilopodio

A

Brazo y muslo

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13
Q

Derivados el zeugopodio

A

Antebrazo y pierna

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14
Q

Derivados del autopodio

A

Mano y pie

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15
Q

Todos los dedos requieren de Shh excepto

A

El pulgar

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16
Q

Es el primer dedo en formarse

A

Meñique

17
Q

Ectrodactilia:

A

Faltan dedos

18
Q

Rizomelia:

A

Acortamiento de extremidades

19
Q

Meromelia:

A

Ausencia parcial de una extremidad libre

20
Q

Extremidades que se forman primero

A

Las anteriores

21
Q

La rizomelia es característica en:

A

Acondroplasia

22
Q

Estructuras preaxiales

A

Radio y primer dedo

23
Q

Estructuras postaxiales

A

Dedos del 2 al 5, ulna y húmero

24
Q

Aquiria

A

No hay mano

25
Q

Rotación de las extremidades:

A

Hacia la 7ma SDG:
- Anteriores: 90º hacía lateral
- Posteriores: 90º hacia medial