SN periférico Flashcards

1
Q

Tubo neural formará (2)

A
  • Nervios autónomos preganglionares

- Neuronas motoras

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2
Q

Mesodermo formará: (2)

A
  • Duramadre

- Vainas nerviosas de Tc (Endoneuro, epineuro y perineuro).

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3
Q

Vainas nerviosas de Tc:

Rodea las fibras nerviosas

A

Endoneuro

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4
Q

Vainas nerviosas de Tc:

Rodea un conjunto de fibras.

A

Perineuro

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5
Q

Vainas nerviosas de Tc:

Rodea al nervio.

A

Epineuro

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6
Q

Cresta neural formará: (6)

A
  • Piamadre
  • Aracnoides
  • Ganglios autonómicos
  • Ganglios de la raíz dorsal
  • Ganglios de lo N. III, V, VII, IX y X.
  • Plexos intestinales (Meissner , Ouerbach).
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7
Q

Meninges que provienen de:

  • Mesodermo:
  • Cresta neural:
A
  • Mesodermo: Duramadre

- Cresta neural: Aracnodes y piamadre.

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8
Q

Otros derivados de la cresta neural: (5)

A
  • Células de Schwann
  • Células de la suprarrenal
  • Melanocitos
  • Odontoblastos
  • Células parafoliculares.
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9
Q

Los plexos de Meissner y Ouerbach son inervados por el Nervio.

A

X (vago)

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10
Q

El sistema nervioso se mieliniza en sentido _____.

A

Cefalocaudal.

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11
Q

Niñas comienzan a caminar ___ - ___ meses.

A

10 - 12

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12
Q

Niños comienzan a caminar ___ meses.

A

12 meses en adelante.

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13
Q

El SNC se mieliniza por ______.

A

Oligodendrocitos.

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14
Q

El SNP se mieliniza por ______.

A

Células de schwann

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15
Q

Después de nacer se mielinizan las raíces (2)

A
  • Óptica

- Acústica

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16
Q

El SN comienza su desarrollo en la semana ____ y termina en ____.

A

Sema 4 / 20 años de edad.