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April 1967

Dilatation of the Pupil in the Cat via the Oculomotor Nerve

Author Affiliations

Nashville, Tenn; Durham, NC
From the George Peabody College and the Vanderbilt Medical School, Nashville (Dr. Paulson), and Duke Medical Center, Durham, NC (Dr. Kapp).

Arch Ophthalmol. 1967;77(4):536-540. doi:10.1001/archopht.1967.00980020538018

A massive sympathetic discharge is largely responsible for the maximal pupillary dilatation that occurs during cerebral ischemia. In addition, it is suggested that a discharge mediated by the ciliary ganglion may also produce pupillary dilatation, at least under experimental conditions.

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