diaphragm in dogs

A thin musculomebranous barrier that separates the abdominal and thoracic cavities. Often used for breathing control. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the diaphragm is

A thin musculomebranous barrier that separates the abdominal and thoracic cavities. Often used for breathing control. The atlas records it as a muscle at the organ scale in the dog.

Where the diaphragm is

It sits in the thorax and trunk, within the muscular and respiratory systems. Positioned deliberately as part of this species body plan.

What the diaphragm connects to

The atlas records 11 typed relationships for it, across 8 kinds of connection. part of respiratory system and thoracic segment of trunk.

Supply and innervation

Arterial supply: phrenic artery. Venous drainage: phrenic vein. Innervation: phrenic nerve.

Also called

Also recorded as diaphragm muscle, diaphragm of thorax, thoracic diaphragm, midriff and phren. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001103, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: respiratory system and thoracic segment of trunk.
• A kind of: respiratory system muscle and thoracic segment muscle.
• contains: central tendon of diaphragm and esophageal hiatus.
• composed of: skeletal muscle tissue.
• Innervated by: phrenic nerve.
• participates in: Respiration.
• Supplied by: phrenic artery.
• Drained by: phrenic vein.

Questions

Where is the diaphragm?

It sits in the thorax and trunk, within the muscular and respiratory systems. Positioned deliberately as part of this species body plan.

What does the diaphragm connect to?

Part of: respiratory system and thoracic segment of trunk.

Is the diaphragm the same in other species?

This page describes the dog. The human record of the same structure sits beside it on /compare, over one shared model rather than two atlases built separately.