abdomen

Supramesocolic Level

1. Delimitations, Subphrenic Recess, Subhepatic

   • Blood Supply: Branches of the celiac trunk and superior mesenteric artery.

   • Innervation: Phrenic nerve (C3-C5) for the diaphragm.

2. Delimitations, Compartments

   • Blood Supply: Branches of the celiac trunk and superior mesenteric artery.

   • Innervation: Vagus nerve (parasympathetic) and splanchnic nerves (sympathetic).

Liver

1. Diagrammatic Face (Structures, Relations, Falciform Ligament)

   • Blood Supply: Hepatic artery (branch of the celiac trunk) and portal vein.

   • Innervation: Hepatic plexus (sympathetic and parasympathetic).

2. Visceral Face (Structures, Relations)

   • Blood Supply: Hepatic artery and portal vein.

   • Innervation: Hepatic plexus.

3. Liver Peritoneum

   • Blood Supply: Hepatic artery.

   • Innervation: Hepatic plexus.

4. Hepatic Pedicle

   • Blood Supply: Hepatic artery and portal vein.

   • Innervation: Hepatic plexus.

Gall Bladder

• Blood Supply: Cystic artery (branch of the right hepatic artery).

• Innervation: Celiac plexus (sympathetic) and vagus nerve (parasympathetic).

Bile Duct: Relations

• Blood Supply: Superior pancreaticoduodenal artery and right hepatic artery.

• Innervation: Hepatic plexus.

Stomach

1. Fundus (Relations)

   • Blood Supply: Short gastric arteries (branches of the splenic artery).

   • Innervation: Vagus nerve (parasympathetic) and celiac plexus (sympathetic).

2. Anterior Wall (Relations)

   • Blood Supply: Left and right gastric arteries.

   • Innervation: Vagus nerve and celiac plexus.

3. Posterior (Relations)

   • Blood Supply: Left and right gastric arteries, gastroepiploic arteries.

   • Innervation: Vagus nerve and celiac plexus.

4. Lesser Curvature (Vascular Arcade, Peritoneum)

   • Blood Supply: Left and right gastric arteries.

   • Innervation: Vagus nerve and celiac plexus.

5. Greater Curvature (Vascular Arcade, Peritoneum)

   • Blood Supply: Right and left gastroepiploic arteries.

   • Innervation: Vagus nerve and celiac plexus.

Spleen

1. Diagrammatic Face: Superior Margin (Identification, Relations)

   • Blood Supply: Splenic artery (branch of the celiac trunk).

   • Innervation: Splenic plexus (sympathetic and parasympathetic).

2. Visceral Face: Superior Margin (Identification, Relations, Peritoneum)

   • Blood Supply: Splenic artery.

   • Innervation: Splenic plexus.

Epipolic Orifice (Identification, Delimitations)

• Blood Supply: Branches of the superior mesenteric artery.

• Innervation: Vagus nerve and splanchnic nerves.

Vestibulum of Bursa Omentalis (Delimitations)

• Blood Supply: Branches of the celiac trunk.

• Innervation: Vagus nerve and splanchnic nerves.

Principle Part of Bursa Omentalis (Delimitations)

• Blood Supply: Branches of the celiac trunk.

• Innervation: Vagus nerve and splanchnic nerves.

Celiac Trunk (Identification, Branches)

• Blood Supply: Abdominal aorta.

• Innervation: Celiac plexus.

Duodenum

• Identification, Structure, Peritoneum

  • Blood Supply: Superior pancreaticoduodenal artery (celiac trunk) and inferior pancreaticoduodenal artery (superior mesenteric artery).

  • Innervation: Vagus nerve and splanchnic nerves.

• Superior Part, Descending Part (Identification, Relations)

  • Blood Supply: Superior pancreaticoduodenal artery.

  • Innervation: Vagus nerve and splanchnic nerves.

• Horizontal Part, Ascending Part (Identification, Relations)

  • Blood Supply: Inferior pancreaticoduodenal artery.

  • Innervation: Vagus nerve and splanchnic nerves.

Jejunum-Ileum (Identification, Limits, Relations)

• Blood Supply: Superior mesenteric artery.

• Innervation: Vagus nerve and superior mesenteric plexus.

Mesentery (Identification, Coils, Margins, Content)

• Blood Supply: Superior mesenteric artery.

• Innervation: Superior mesenteric plexus.

Superior Mesenteric Artery

1. Right Branch (Identification, Origin)

   • Blood Supply: Superior mesenteric artery.

   • Innervation: Superior mesenteric plexus.

2. Left Branch (Identification, Origin)

   • Blood Supply: Superior mesenteric artery.

   • Innervation: Superior mesenteric plexus.

Caecum (Identification, Structures, Peritoneum)

• Blood Supply: Ileocolic artery (branch of the superior mesenteric artery).

• Innervation: Vagus nerve and superior mesenteric plexus.

Appendicular Vermiform (Identification, Relations, Vascularisation)

• Blood Supply: Appendicular artery (branch of the ileocolic artery).

• Innervation: Vagus nerve and superior mesenteric plexus.

Ascending Colon (Identification, Limits, Relations, Peritoneum)

• Blood Supply: Ileocolic and right colic arteries (branches of the superior mesenteric artery).

• Innervation: Vagus nerve and superior mesenteric plexus.

Right Colic Flexure (Identification, Relations)

• Blood Supply: Right colic artery (branch of the superior mesenteric artery).

• Innervation: Vagus nerve and superior mesenteric plexus.

Transverse Colon (Identification, Limits, Relations, Peritoneum)

• Blood Supply: Middle colic artery (branch of the superior mesenteric artery).

• Innervation: Vagus nerve and superior mesenteric plexus.

Transverse Mesocolon (Identification, Coils, Margins, Content)

• Blood Supply: Middle colic artery.

• Innervation: Superior mesenteric plexus.

Abdominal Descending Aorta (Identification, Relations, Branches, Viscera)

• Blood Supply: Directly from the aorta.

• Innervation: Splanchnic nerves.

Inferior Vena Cava (Identification, Relations, Tributaries)

• Blood Supply: Drains into the right atrium.

• Innervation: Splanchnic nerves.

Vena Porta (Identification, Relations, Tributaries)

• Blood Supply: Formed by the union of the superior mesenteric vein and splenic vein.

• Innervation: Hepatic plexus.

Pancreas

1. Head of Pancreas (Identification, Relations)

   • Blood Supply: Superior and inferior pancreaticoduodenal arteries.

   • Innervation: Vagus nerve and splanchnic nerves.

2. Body of Pancreas (Identification, Relations)

   • Blood Supply: Splenic artery.

   • Innervation: Vagus nerve and splanchnic nerves.

3. Tail of Pancreas (Identification, Relations)

   • Blood Supply: Splenic artery.

   • Innervation: Vagus nerve and splanchnic nerves.