Médula espinal Flashcards

1
Q

¿Qué cubre a la médula espinal?

A

La columna vertebral

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2
Q

Vértebras de la columna vertebral

A

33 vértebras

  • 7 cervicales
  • 12 torácicas
  • 5 lumbares
  • 5 sacras (unidas)
  • 4 coccígeas (unidas)
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3
Q

Ligamentos que unen a las vértebras

A
  • Ligamento supraespinoso
  • Ligamento interespinoso
  • Ligamento amarillo
  • Ligamento longitudinal anterior
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4
Q
A

Rojo: ligamento supraespinoso

Rosa: ligamento interespinoso

Amarillo: ligamento amarillo

Azul marino: ligamento longitudinal posterior

Azul celeste: ligamento longitudinal anterior

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5
Q

¿Qué es la médula espinal?

A

Un tubo que va desde el agujero magno hasta L1 o L2

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6
Q

¿Cuánto mide de ancho la médula espinal?

A

1 cm

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7
Q

Cono medular

A

Parte más inferior de la médula

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8
Q

Parte donde la médula espinal es más ancha

A

Cervical y lumbosacra → porque enervan los miembros inferiores y superiores

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9
Q

Ligamentos dentados

A

Unen a la pia con la dura

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10
Q

Filum terminal

A

Filamento piel que fija a la médula al cóccix

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11
Q

¿A qué nivel se administra la anestesia epidural?

A

Entre L3 y L4

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12
Q

Diferencia entre la anestesia epidural y espinal

A

La espinal es inmediata

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13
Q

¿A qué nivel se hace una punción lumbar?

A

Entre L3 y L4 o L4 y L5

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14
Q

Dos grandes divisiones de la médula espinal

A

Sustancia gris y sustancia blanca

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15
Q

Accidentes anatómicos de la médula espinal

A
  • Surco medio posterior
  • Canal central
  • Fisura ventral
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