Per`i·gan`gli·on'ic adjective (Anat.) Surrounding a ganglion; as, the periganglionic glands of the frog. Found on http://www.encyclo.co.uk/webster/P/55
periganglionic 1. Surrounding a ganglion, especially a nerve ganglion. 2. Near or around a ganglion. The celebrated 2nd century Greek physician, Galen (about 130-201 A.D.), who lived and worked in Rome first used the word ganglion to refer to a nerve complex. Ganglion still is used to refer to an aggregation of nerve cell bodies. Another use of ... Found on http://www.wordinfo.info/words/index/info/view_unit/1610/8