stomach

An expanded region of the vertebrate alimentary tract that serves as a food storage compartment and digestive organ. A stomach is lined, in whole or in part by a glandular epithelium. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the stomach is

An expanded region of the vertebrate alimentary tract that serves as a food storage compartment and digestive organ. A stomach is lined, in whole or in part by a glandular epithelium. The atlas records it as a organ at the organ scale in the human body.

Where the stomach is

It sits within the digestive system. Positioned deliberately as part of this species body plan.

What the stomach connects to

The atlas records 35 typed relationships for it, across 10 kinds of connection. part of alimentary part of gastrointestinal system, digestive system and digestive tract, and 1 more.

Supply and innervation

Arterial supply: left gastric artery. Innervation: vagus nerve.

Also called

Also recorded as stomach chamber, anterior intestine, gaster, mesenteron and ventriculus. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0000945, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: alimentary part of gastrointestinal system, digestive system, digestive tract and foregut.
• A kind of: organ and subdivision of digestive tract.
• Adjacent to: duodenal ampulla.
• contains: epithelium of stomach, falciform ligament, gastroduodenal junction, lamina propria of fundus of stomach, lesser omentum and mucosa of stomach, and 8 more.
• contributes to morphology of: digestive system, cardia of stomach, fundus of stomach, pylorus and wall of stomach.
• connects: gastro-splenic ligament, gastrocolic ligament, gastroduodenal junction and hepatogastric ligament.
• flows to: duodenum and esophagus.
• participates in: Digestion.

Questions

Where is the stomach?

It sits within the digestive system. Positioned deliberately as part of this species body plan.

What does the stomach connect to?

Part of: alimentary part of gastrointestinal system, digestive system, digestive tract and foregut.

Is the stomach the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.