From the case:
Trochlear nerve (illustration)
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Illustration depicting the course of the trochlear nerve.
Case Discussion
This image is an edited and labeled version of an illustration by Patrick Lynch (original wikimedia commons here).
Changes include:
- moving the origin of the lacrimal nerve posteriorly (it divides before the orbital apex)
- removing muscular branch from oculomotor over the lateral rectus (for clarity)