(Science: anatomy) Shaped like, or resembling, a pulley; pertaining to, or connected with, a trochlea; as, a trochlear articular surface; the trochlear muscle of the eye. Trochlear nerve. See pathetic nerve, under Pathetic.
Origin: L. Trochlea block or pulley.
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... innervates the face). 3) the optic canal and superior orbital fissure. the cranial nerves that move the eye muscles (abducent, occulomotor and trochlear nerves), the nerve that supplies the eye (optic nerve) and the blood vessels to the eye (opthalmic artery - branch of internal carotid artery) ...
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