abdomen intestino mesenterica
DESCRIPTION
Intestino, clasificación, colon clasificación y mesentérica superior e inferiorTRANSCRIPT
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INTESTINOS
DOCENTE: AURORA MORENOMORFOLOGÍA I
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INTESTINO DELGADO
• Es un órgano tubular largo
• Comienza en el esfínter pilórico y termina válvula ileocecal (unión con el colon)
• 3 regiones: Duodeno- Yeyuno e íleon
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INTESTINO DELGADO
Función:
Digestión carbohidratos, proteínas, lípidos
Absorción: Nutrientes y Agua (90%)
Capas
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CAPAS Serosa
Subserosa
Muscular
Submuscosa
Mucosa
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DUODENO Corto
25cm de largo – 4-5 cm diámetro
Porciones
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DUODENO
Relaciones
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DUODENO• Sup: L1 5cm
• Desc: L1- L3 7-10cm
• Trans: L3 6-8cm
• Asce: L1- L2 5cm
• Válvulas de Kerckring
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YEYUNO
• Mide 1 metro y 3cm de diámetro
• Rosado
• ArcadasAmplias
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ÍLEON Final - 2metros – 2cm
Más larga
Válvula ileocecal
Divertículo de Meckel
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YEYUNO - ÍLEON
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COLON
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Porción terminal del tracto gastrointestinal
Mide 1,5 metros largo 6,5 cm diámetro
Esfínter ileocecal hasta ano
5 regiones – 2 ángulos
Función: Completar la absorción, producción de vitaminas, formación y propulsión de heces
COLON
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CAPAS
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regiones
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COLON
HAUSTRAS
TENIAS
APÉNDICES EPIPLÓICOS
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colon Apéndice: 8 cm
Ciego: 6-7 cm
Ascendente: 25 cm
Transverso: 45- 50 cm
Descendente: 30cm
Sigmoide: 20 – 25cm
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RECTO 10 - 20 cm longitud
3 pliegues
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RELACIONES
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ANO 5 cm longitud
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ARTERIA MESENTÉRICAS
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VENA MESENTÉRICAS
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