leptomeninx in dogs

Pia mater or arachnoid mater. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the leptomeninx is

Pia mater or arachnoid mater. The atlas records it as a organ at the organ scale in the dog.

Where the leptomeninx is

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

What the leptomeninx connects to

The atlas records 3 typed relationships for it, across 2 kinds of connection. a kind of meninx.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the leptomeninx. Only a minority of structures carry those edges here, so an empty answer means nothing has been recorded — not that there is nothing to record.

Also called

Also recorded as leptomeninges, arachnoid mater and pia mater, arachnoidea mater et pia mater, pia-arachnoid and pia-arachnoid of neuraxis. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0000391, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

Questions

Where is the leptomeninx?

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

What does the leptomeninx connect to?

A kind of: meninx.

Is the leptomeninx 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.