Anatomy study note · Abdomen

Coeliac trunk

The artery of the foregut. A very short trunk from the front of the aorta at T12, behind the lesser sac and surrounded by the coeliac plexus, it divides into the left gastric, splenic and hepatic arteries.

Key points

• Foregut artery; from the aorta at T12.
• Three branches: left gastric, splenic, (common) hepatic.
• Gastroduodenal → right gastro-omental + superior pancreaticoduodenal.
• Cystic artery usually from the right hepatic.
• Territory: lower oesophagus → mid-D2.
• Coeliac: artery of the foregut.
• Artery: intima / media (smooth muscle) / adventitia.
• Most named arteries are muscular; aorta is elastic.

The full note in the atlas also covers

Features · Branches · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 7, PDF pp. 891–894, 896
• Inderbir Singh’s Human Embryology, ch. 13, PDF pp. 175, 182
• BRS Cell Biology & Histology, 7th ed., ch. 11, PDF pp. 197–199

More from the abdomen

• Descending colon
• Duodenum
• Epididymis
• External oblique
• Gallbladder
• Iliac arteries
• Iliacus
• Iliohypogastric and ilioinguinal nerves
• Inferior epigastric vessels
• Inferior mesenteric artery
• Inferior vena cava
• Inguinal ligament

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