Normal Anatomy and Anomalies of the Rectus Extraocular Muscles in Human: A Review of the Recent Data and Findings

Figure 5

General arrangement of vascularization and innervation of extraocular rectus muscles. Arteries have been injected by red resin to expose muscular branches reaching individual muscles. Specimen taken from the right orbit. Scale bar shows 10 mm. an: abducens nerve; id: inferior division of the oculomotor nerve; ir: inferior rectus muscle; lr: lateral rectus muscle; mr: medial rectus muscle; nio: nerve to the inferior oblique muscle; sd: superior division of the oculomotor nerve; sr: superior rectus muscle.