Development of Digestive System Flashcards

1
Q

Gut forms as embryo folds…

A

DORSAL ASPECT of developing yolk sac is incorporated

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2
Q

foregut

A

head fold

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3
Q

midgut

A

lateral folds

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4
Q

hindgut

A

tail folds

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5
Q

2 germ layers involved in gut development

A

endoderm and splanchnic mesoderm

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6
Q

Endoderm

A

epithelium and glands

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7
Q

Splanchnic Mesoderm

A

SM and CT elements of gut tube

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8
Q

Celiac Artery

A
  1. pharynx
  2. esophagus
  3. stomach
  4. proximal duodenum (BEFORE entrance of common bile duct)
  5. liver, pancreas, gallbladder
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9
Q

Superior Mesenteric Artery

A
  1. small intestine (DISTAL to entrance of common bile duct)
  2. cecum
  3. ascending colon
  4. appendix
  5. proximal 2/3 of transverse colon
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10
Q

Inferior Mesenteric Artery

A
  1. distal 1/3 of transverse colon
  2. descending colon
  3. rectum
  4. upper part of anal canal
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11
Q

Dual Blood Supply?

A

Duodenum, Transverse Colon, Anal Canal— hindgut & proctodeum

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