Skeletal muscle derived from cranial mesoderm and controls eye movements. [ http://en.wikipedia.org/wiki/Extraocular_muscles http://amigo.geneontology.org/amigo/term/GO:0002074 ]

Synonyms: extrinsic ocular muscle extraocular skeletal muscle extrinsic muscle of eyeball extrinsic eye muscle extra-ocular skeletal muscle extraocular musculature extraocular muscle

This is just here as a test because I lose it

Term information

Subsets

uberon_slim, efo_slim, pheno_slim, vertebrate_core

depicted by

http://upload.wikimedia.org/wikipedia/commons/6/61/MRI_of_human_eye.jpg

development notes

Myofibers in extraocular muscles are derived from mesoderm, whereas muscle connective tissue cells arise from neural crest.[PMID:16638982]

editor note

todo - resolve discrepancies in which muscles are considered extra-ocular

external definition

Any of the six small muscles that control movement of the eyeball within the socket. [TFD][VHOG]
Muscles surrounding the eye (bulbus oculi) and having an effect on eye movements.[AAO]

external ontology notes

BTO and MA consider this part of the eye; we follow them here (inferred from skeletal muscle). Not clear if omission from FMA is deliberate.

has alternative id

UBERON:0006229

has related synonym

musculi externi bulbi oculi

homology notes

The ability to rotate the eyeball is common to all vertebrates with well-developed eyes, regardless of the habitat in which they live, so these (extrinsic ocular) muscles tend to be conservative. They change little during the course of evolution.[well established][VHOG]

id

UBERON:0001601

taxon notes

Mammals have 7 extra-ocular muscles, but humans lack the M. retractor bulbi.