lateral rectus muscle

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Related to lateral rectus: medial rectus

lat·er·al rec·tus mus·cle

(lat'ĕr-ăl rek'tŭs mŭs'ĕl)
Origin, lateral part of the common tendinous ring that bridges superior orbital fissure; insertion, lateral part of sclera of eye; action, abduction; nerve supply, abducens.
Synonym(s): musculus rectus lateralis [TA] , abducens oculi.

lateral rectus muscle

Extraocular muscle. Origin: tendinous ring around optic nerve at rear of orbit. Insertion: temporal edge of eyeball in front of its equator. Nerve: abducens (CN VI). Action: turns eye laterally.
See: extraocular for illus.
See also: muscle
References in periodicals archive ?
The quantitative data including age at surgery and pre-operative amount of deviations in prism dioptres at distance and near and amount of surgery in millimetre of lateral rectus recession and medial rectus resection were represented in Mean [+ or -] SD.
In the patient with exposed lateral rectus, healing was achieved.
Differential diagnosis includes age-related calcifications involving the insertion of the lateral rectus muscles, an extraocular retinoblastoma extension, or an intraorbital foreign body.
In this technique, the muscle fibers attached to the lateral halves of the superior and inferior rectus tendons are fixated to the lateral rectus tendon.
Enters the orbit through the superior orbital fissure within the annulus of Zinn to innervate the lateral rectus muscles.
The lateral rectus is innervated by the sixth cranial (abducens) nerve and the superior oblique by the fourth (trochlear) nerve.
The blood circulation was promoted, and the contraction ability of left lateral rectus was improved by electroacupuncture stimulation.
In a series of 29 cases of acute unilateral sixth nerve palsy, complete recovery of eye movements was noted in 76% of patients treated with BoNT injection to the medial rectus muscle a mean of 40 days after the onset of lateral rectus muscle palsy.
Magnetic resonance imaging (MRI) of the orbit showed thickening of all left-sided extra-ocular muscles, predominantly left lateral rectus and inferior rectus muscles with mild retro- orbital inflammatory changes and mild proptosis, consistent with orbital inflammatory pseudotumour (Figure-1).
4) In the Knapp procedure, all the tendons of the medial and lateral rectus muscles are transposed to the insertion of the superior rectus muscle, whereas in the partial Knapp procedure, half of the tendons of the medial and lateral rectus muscles are transposed to the insertion of the superior rectus muscle.
Biopsy specimens were obtained of the lateral rectus, medial rectus, medial wall bone, mucosa of the maxillary sinus, and medial orbital fat.
sup][5] described one and three intramuscular lymphomas, respectively; they were located in the rectus (one in the superior rectus muscle, two in the lateral rectus muscle, and one in the medial rectus muscle).