lacertus of lateral rectus muscle

la·cer·tus of lat·er·al rec·tus mus·cle

the part of the tendon of origin of the lateral rectus muscle attaching to the greater wing of the sphenoid bone, lateral to the common tendinous ring; often incorrectly equated to the lateral check ligament of the eyeball.
Farlex Partner Medical Dictionary © Farlex 2012