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May 1966

Anatomy of the Anterior Choroidal Artery in the Dog

Author Affiliations

From the Department of Surgery, Division of Neurosurgery, University of Kentucky College of Medicine, Lexington, Ky.

Arch Neurol. 1966;14(5):526-529. doi:10.1001/archneur.1966.00470110070009

THE PRECISE role of the choroid plexus in the production and mass movement of cerebrospinal fluid (CSF) remains unsettled, and even the long-accepted interpretation of experiments conducted by Dandy in 1919 has been challenged.1 Whatever role may be assigned to the choroid plexus, the blood supply of this vascular structure is critical. The detailed anatomy of the anterior choroidal artery, the major afferent vessel of the choroid plexus, has been described in man, but similar studies have not been reported in the dog,2 the animal most commonly employed for the study of CSF circulation. The present study was undertaken to provide a description of the course and distribution of the anterior choroidal artery in the dog.

Materials and Methods  Normal brains from 50 adult mongrel dogs were examined. Both internal carotid arteries and the basilar artery were cannulated immediately after removal of the brain. A colored

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