meninx

Membrane organ that surrounds the brain and the spinal cord. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the meninx is

Membrane organ that surrounds the brain and the spinal cord. The atlas records it as a organ at the organ scale in the human body.

Where the meninx is

It sits within the nervous system. Only the system is known. The position shown carries almost no spatial information.

What the meninx connects to

The atlas records 14 typed relationships for it, across 6 kinds of connection. part of meningeal cluster.

Supply and innervation

Venous drainage: meningeal vein.

Also called

Also recorded as layer of meninges, meningeal layer and meninx primitiva. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0002360, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: meningeal cluster.
• A kind of: anatomical structure and membrane organ.
• subtype: brain meninx, dura mater, leptomeninx, spinal cord arachnoid mater, spinal cord pia mater and spinal dura mater.
• Develops from: central nervous system, meningeal cluster and nervous system.
• composed of: connective tissue.
• Drained by: meningeal vein.

Questions

Where is the meninx?

It sits within the nervous system. Only the system is known. The position shown carries almost no spatial information.

What does the meninx connect to?

Part of: meningeal cluster.

Is the meninx 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.