Special somatic afferent

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Special somatic afferent (SSA) refers to afferent nerves of the special senses. Examples of nerves containing SSA fibers include the optic nerve and the vestibulocochlear nerve.[1]


  1. Mehta, Samir et al. Step-Up: A High-Yield, Systems-Based Review for the USMLE Step 1. Baltimore, MD: LWW, 2003.

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