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Anatomy > Anatomy Year 2 > Flashcards

Anatomy Year 2 Flashcards

0
Q

Stomach - Embryological Origin

A
  • Lining
    • foregut endoderm
  • Dorsal mesogastrium
    • mesoderm
  • Ventral mesogastrium
    • mesoderm of septum transversum (only seen in foregut)
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1
Q

Esophagus - Embryological Origin

A
  • Lining/parenchyma
    • foregut endoderm
  • Muscular coat
    • splanchnic mesoderm
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2
Q

Duodenum - Embryological Origin

A
  • Foregut and midgut endoderm
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3
Q

Liver - Embryological Origin

A
  • Parenchyma
    • foregut endoderm (cranial part of liver bud)
  • Stroma (Kupfer cells and hematopoietic tissue)
    • mesoderm of septum transversum
  • Gallbladder
    • foregut endoderm (caudal part of liver bud)
  • Cystic and common bile ducts
    • foregut endoderm (stalk of liver bud)
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4
Q

Pancreas - Embryological Origin

A
  • Caudal part of foregut endoderm (pancreatic bud)
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5
Q

Spleen - Embryological Origin

A
  • Mesoderm
    • mesenchymal cells between mesoderm layers of dorsal mesogastrium
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6
Q

Esophagus - Intra/Retroperitoneal

A
  • Intraperitoneal
  • Primary Retroperitoneal
    • Distal segment of esophagus
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7
Q

Stomach - Intra/Retroperitoneal

A
  • Intraperitoneal
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8
Q

Duodenum - Intra/Retroperitoneal

A
  • Secondary retroperitoneal
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9
Q

Pancreas - Intra/Retroperitoneal

A
  • Secondary retroperitoneal
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10
Q

Esophagus - Arterial Supply

A
  • Inferior thyroid artery
    • upper esophageal sphincter and cervical esophagus
  • Aortic esophageal arteries/ bronchial arteries
    • thoracic esophagus
  • Left gastric artery (esophageal branch) Left phrenic artery
    • Lower esophageal sphincter and distal esophagus
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11
Q

Esophagus - Venous Supply

A
  • Submucosal plexus (esophageal veins) → SVC
    • proximal esophagus
  • Azygous system
    • middle esophagus
  • Left gastric vein and azygous veins
    • distal esophagus
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12
Q

Esophagus - Nervous Supply

A
  • to musculature
  • Parasympathetic
    • upper 2/3 (striated) → vagus nerve
    • lower 1/3 (smooth) → vagus nerve (via celiac plexus)
  • Sympathetic
    • T1-T10
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13
Q

Stomach - Arterial Supply

A
  • Celiac artery
    • artery to foregut structures
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14
Q

Stomach - Venous Supply

A
  • Portal vein → IVC
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15
Q

Stomach - Nervous Supply

A
  • Parasympathetic
    • Vagus nerve → hepatic and celiac branches
      • Hepatic → anterior of stomach and pyloric region
      • Celiac → posterior of stomach
  • Sympathetic
    • T6-T10
16
Q
A

Anatomy (3 decks)

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