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abducens nerve

Go to external page http://purl.obolibrary.org/obo/UBERON_0001646

Cranial nerve that runs to the eye muscles. [ https://www.worldcat.org/search?q=bn%3A0471209627 http://en.wikipedia.org/wiki/Abducens_nerve ]

Term info

Label

abducens nerve

Synonyms
  • abducens VI nerve
  • abducens nerve [VI]
  • abducens nerve tree
  • abducent nerve [VI]
  • lateral rectus nerve
  • nervus abducens
  • nervus abducens [VI]
  • sixth cranial nerve
database cross reference
Subsets

uberon_slim, pheno_slim, vertebrate_core

abbreviation
6n [ BIRNLEX : 876 NIFSTD : NeuroNames_abbrevSource ]

latin term
nervus abducens [VI] [ FMA : TA FMA : 50867 ]

depicted by

http://purl.obolibrary.org/obo/Abducens_nerve1.png

external definition

Somatic motor nerve which bifurcates innervating m. rectus lateralis and m. retractor bulbi (eye muscles).[AAO]

has related synonym

CN-VI, nerve VI, abducents VI nerve, abducent nerve, nervus abducens, abducens nerve/root, cranial nerve VI

homology notes

We conclude this section by listing some of the many synapomorphies of craniates, including (...) (5) cranial nerves (...) (reference 1); Phylogenetically, the cranial nerves are thought to have evolved from dorsal and ventral nerves of a few anterior spinal nerves that became incorporated into the braincase. Dorsal and ventral nerves fuse in the trunk but not in the head, and they produce two series: dorsal cranial nerves (V, VII, IX, and X) and ventral cranial nerves (III, IV, VI, and XIII) (reference 2).[well established][VHOG]

id

UBERON:0001646

taxon notes

Homologous abducens nerves are found in all vertebrates except lampreys and hagfishes.[WP] It controls the movement of a single muscle, the lateral rectus muscle of the eye, in humans. In most other mammals it also innervates the musculus retractor bulbi, which can retract the eye for protection