superior oblique muscle


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to superior oblique muscle: lateral rectus muscle

su·pe·ri·or o·blique mus·cle

(sŭ-pēr'ē-ŏr ō-blēk' mŭs'ĕl)
Origin, above the medial margin of the optic canal; insertion, by a tendon passing through the trochlea, or pulley, and then reflected backward, downward, and laterally to the sclera between the superior and lateral recti; action, primary, intorsion; secondary, depression and abduction; nerve supply, trochlear nerve.
Synonym(s): musculus obliquus superior [TA] .

superior oblique muscle

Extraocular muscle. Origin: sphenoid bone deep in medial side of orbit. Insertion: lateral surface of eyeball behind its equator. Nerve: trochlear (CN IV). Action: turns eye down and outward with medial rotation.
See also: muscle
References in periodicals archive ?
There was also involvement of temporalis, masseter, bilateral posterior neck muscles and superior oblique muscles on left side.
Surgical correction of subjective excyclotorsion by tucking the anterior part of the superior oblique muscle tendon.

Full browser ?