Terminology Service for NFDI4Health
extra-ocular muscle
Go to external page
http://purl.obolibrary.org/obo/UBERON_0001601
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 ]
Term info
Label
extra-ocular muscle
Synonyms
- extra-ocular skeletal muscle
- extraocular muscle
- extraocular musculature
- extraocular skeletal muscle
- extrinsic eye muscle
- extrinsic muscle of eyeball
- extrinsic ocular muscle
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 obo namespace
uberon
has related synonym
musculi externi bulbi oculi
has relational adjective
extraocular
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.