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Trochlear nerve (CN IV) palsy artwork
Science & Medicine

Trochlear nerve (CN IV) palsy

Dissectible Me 5 minute anatomy by dissectibleme

May 1, 20266:20Science & Medicine

The trochlear nerve (CN IV) has the single task of innervating the superior oblique muscle. Unfortunately the actions of this muscle on the eye are a little awkward to understand, so how is the eye affected if the trochl...