Trochlear nerve (illustration)

Case contributed by Frank Gaillard
Diagnosis not applicable
Diagram

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)

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