The inferior rectus muscle is a muscle in the orbit. ==Structure== ===Innervation=== As with most of the muscles of the orbit, it is innervated by the oculomotor nerve (Cranial Nerve III). ==Function== It depresses, adducts, and helps extort (rotate laterally) the eye. The inferior rectus muscle is the only muscle that is capable of depressing the...
[n] - the ocular muscle whose contraction turns the eyeball down and medially
inferior rectus noun the ocular muscle whose contraction turns the eyeball down and medially