page_title: Infratrochlear nerve
hierarchical_section_title: Infratrochlear nerve
caption_attribution_description: Sensory areas of the head, showing the general distribution of the three divisions of the fifth nerve. (Modified from Testut.)
context_page_description: The infratrochlear nerve is a branch of the nasociliary nerve, itself a branch of the ophthalmic nerve.
context_section_description: The infratrochlear nerve is a branch of the nasociliary nerve, itself a branch of the ophthalmic nerve.
caption: Sensory innervation of the head. The infratrochlear nerve is seen in the green area, emerging from the orbit.
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