Digestivo Flashcards

1
Q

Digestivo organización (hueco)

A

1- Mucosa:

2- Submucosa:

3- Muscular externa:

4- serosa

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2
Q

1- Mucosa

componentes

A

1- Mucosa:

  • epitelio cilíndrico simple mucoso.
  • membrana basal
  • lamina propria
  • muscular de la mucosa
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3
Q

2- Submucosa

componentes

A

2- Submucosa:

  • TCCDNM
  • Plexo de meissner
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4
Q

3- Muscular Externa

componentes

A

3- Muscular externa:

  • Oblicua interna
  • circular media
  • -Plexo de Auberbach
  • longitudinal Externa
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5
Q

4-Serosa

componentes

A

4- serosa

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6
Q

2-Glandula Fundica (en el fondo de las glandulas gastricas)
1-Epitelio se invagina…
3- Cels que forman(5)

A

1-…Forma las criptas gastricas..
2- Glandulas Tubulares simple Ramificadas (istmo, cuello y fondo). revestidas por Celuas mucosas superficiales (alcalinas(proteccion) y secretoras de muco)

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7
Q

Cels que forman(5) la glandula fundica

A
- Cel mucosas superficiales, (del cuello)
Cels parietales, 
Cels principales,
Cels enteroendocrinas
Cels madre
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8
Q

Celulas Superficiales

A

-Citoplasma negativo apical ocupado por vesiculas de almacenamento de moco , Cromatina laxa, nucleo oval
Productora de Moco
Alcalino (bicarbonato) proteccion
adherido al epitelio

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9
Q
Celulas Parietales (oxinticas)
carac
sintesis
A

-Piramidales o Esfericas, acidofilas (mitocondrias) Reg y golgi,
sintesis de factor intrinsecos antianemico
captacao de ions para produccion del HCL

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10
Q

Celulas Principales
carac
sintesi

A

-cubicas altas o cilindricas de cromatina laxa.
citoplasma basofilo con acidofilia apical (vesiculas de almacenamento de pepsinogeno)

-Sintesis de Pespsinogeno (proteasa) pH acido del jugo gastrico vira Pespsina.

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11
Q
Celulas EnteroEndocrinas (sned)
Prod de enterohormonas
A

-Celulas Enteroendocrinas

G,I,S, Mo, K

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12
Q

Celula G

hormona y efecto

A

Gastrina. estimula las cels parietales a producir HCL

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13
Q

Celula I

hormona y efecto

A

Colecistoquinina. Contraccion vesicular, secrecion de pancreatica completa

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14
Q

Celula S

hormona y efecto

A

-Secretina. Secreccion Pancreatica Completa

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15
Q

Celula Mo

hormona y efecto

A

-Motilina. Estimula la peristalsis musculo liso de la muscula externa

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16
Q

Celula K

hormona y efecto

A

-Peptido Inmbidor gastrico (GIP). Estimula celulas Beta para liberacion de insulina