INTESTNO GRUESO Flashcards

1
Q

Función

A

-Formar heces
- Producir vitaminas
- Completar la absorción

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2
Q

Regiones de IG

A
  • Ciego
  • Colon
  • Recto
  • Conducto anal
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3
Q

Divisiones del colon

A
  • Ascendente, retro
  • Descendente, retro
  • Transverso, intra
  • Sigmoideo, intra
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4
Q

Capas de IG

A
  • Mucosa
  • Submucosa
  • Muscular
  • Serosa
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5
Q

Capa mucosa

A
  • Glándulas de Liberkün
  • NO TIENE VELLOSIDADES
  • SI TIENE MICROVELLOSIDADES
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6
Q

Capa muscular

A
  • Tenias: bandas que producen contracciones
  • Haustras: bolsas que dan aspecto fruncido
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7
Q

Capa serosa

A

Apéndices epiploicos/omentales- bolsas de peritoneo visceral rellena de grasas

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8
Q

Propulsión/ batido haustral

A

-Tipo de digestión segmentaria
- Las haustrar se distienden mientras se llenan y cuando estan a tope expulsan contenido

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9
Q

Peristaltismo en masa

A
  • Tipo de digestión peristáltica
  • Contracciones que se dan 3 o 4 veces al dia, llevan las heces al recto
  • Se da por reflejo gastrocolico
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10
Q

Vitaminas absorbidas en colon

A

B y K

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11
Q

Los AA se degradan a …

A
  • Indol
  • Escatol
  • Sulfuro de H
  • AG
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12
Q

Color de heces

A
  • Estercobilina y urobilina
  • Bilirrubina –> Estercobilina
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13
Q

Composición de heces

A
  • Agua
  • Sales inorgánicas
  • Células muertas
  • Sustancias digeridas
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14
Q

Olor de heces

A
  • Indol
  • Escatol
  • Mercaptnos
  • Acido sulfhídrico
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15
Q

Reflejo de defecación

A
  • Distensión de pared rectal
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16
Q

Digestión mecánica

A

Reflejo ileocecal –> Reflejo gastroileal

17
Q

Inervación de EAE

A

Nervio Puendo

18
Q

Las fibras son convertidas en…

A

AG