abducens nucleus

Nucleus located beneath the floor of the 4th ventricle in the pontine tegmentum, containing motor neurons innervating the lateral rectus muscle of the eye (Brodal, Neurological Anatomy, 3rd ed., 1981, pg 533). Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the abducens nucleus is

Nucleus located beneath the floor of the 4th ventricle in the pontine tegmentum, containing motor neurons innervating the lateral rectus muscle of the eye (Brodal, Neurological Anatomy, 3rd ed., 1981, pg 533). The atlas records it as a nerve at the organ scale in the human body.

Where the abducens nucleus is

It sits within the nervous system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What the abducens nucleus connects to

The atlas records 5 typed relationships for it, across 2 kinds of connection. part of brainstem, hindbrain and pons.

Supply and innervation

This dataset asserts no arterial supply, venous drainage or innervation for the abducens nucleus. 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 abducens VI nucleus, abducens motor nuclei, abducens motor nucleus, abducens nerve nucleus, abducent nucleus and motor nucleus VI, and 7 more. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0002682, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• Part of: brainstem, hindbrain and pons.
• A kind of: cranial nerve nucleus and nucleus of brain.

Questions

Where is the abducens nucleus?

It sits within the nervous system. Not positioned individually. Drawn inside the structure this dataset says contains it — the containment is asserted, the exact spot within it is not.

What does the abducens nucleus connect to?

Part of: brainstem, hindbrain and pons.

Is the abducens nucleus 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.