Digestive System Wk8 - The Digestive System Lateral folding...

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The Digestive System
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Lateral folding of the embryo causes the gut tube to form The gut tube lining is endoderm. Muscle and connective tissue surrounding the tube is derived from splanchnic mesoderm.
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Gut Tube Pharynx Foregut Midgut Hindgut
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Foregut Lung bud to liver bud Esophagus Stomach Part of the duodenum
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Foregut All come from endoderm: Lungs Liver Pancreas Gall bladder Endoderm forms the parenchyma; splanchnic mesoderm forms the connective tissue stroma
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Liver From diverticulum of main tube Liver bud grows from the caudal end of the foregut (endoderm) and grows into the septum transversum (mesoderm) becomes diaphragm Proximal part of the bud becomes the bile duct and forms the gall bladder The liver produces blood from 10 th week until 7 th month, is hematopoeitic structure Ventral and dorsal portion of pancreas develops from main tube
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The mesoderm will form: Central tendon of the diaphragm
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This note was uploaded on 11/21/2011 for the course ANAT 1502 taught by Professor Johnh.romfh during the Spring '10 term at Life Chiropractic College West.

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Digestive System Wk8 - The Digestive System Lateral folding...

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