inferior rectus muscle

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Related to Rectus inferior muscle: medial rectus

in·fe·ri·or rec·tus mus·cle

(in-fēr'ē-ŏr rek'tŭs mŭs'ĕl)
Origin, inferior part of the common tendinous ring; insertion, inferior part of sclera of the eye; action, primary, depression; secondary, adduction and extorsion; nerve supply, oculomotor (inferior branch).
Synonym(s): musculus rectus inferior [TA] .

inferior rectus muscle

Extraocular muscle. Origin: tendinous ring around optic nerve at rear of orbit. Insertion: lower edge of eyeball in front of its equator. Nerve: oculomotor (CN III). Action: turns eye down and medially.
See: extraocular for illus.
See also: muscle
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