superior oblique extraocular muscle
The superior oblique muscle, or obliquus oculi superior, is a fusiform muscle in the upper, medial side of the orbit whose primary action is downward, lateral rotation of the eye. One of the extraocular muscles, the superior oblique is the only muscle innervated by the trochlear nerve (the fourth cranial nerve). [ http://en.wikipedia.org/wiki/Superior_oblique_muscle ]
Synonyms: dorsal oblique extraocular muscle, superior oblique, superior oblique muscle, obliquus superior, musculus obliquus superior
Term info
- FMA:49039
- SCTID:181155005
- AAO:0010119
- UMLS:C0582816 (ncithesaurus:Superior_Oblique_Muscle)
- NCIT:C33688
- MA:0001277
- ZFA:0000738
- TAO:0000738
- Wikipedia:Superior_oblique_muscle
- VHOG:0001131
vertebrate_core
Cranial nerve IV innervated; dorsal in the obliquus group.[AAO]
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]
http://upload.wikimedia.org/wikipedia/commons/e/e8/Eyemuscles.png
obliquus oculi superior, M. obliquus superior, musculus obliquus superior bulbi, dorsal oblique extraocular muscles
uberon
UBERON:0006321
Superior oblique
Term relations
- oblique extraocular muscle
- has muscle insertion some eyeball of camera-type eye
- has muscle origin some common tendinous ring
- innervated_by some trochlear nerve