accessory canal


ac·ces·so·ry ca·nal

in the tooth, a channel leading from the root pulp laterally through the dentin to the periodontal tissue; may be found anywhere in the tooth root but is more common in the apical third of the root. Synonym(s): lateral canal

ac·ces·so·ry ca·nal

(ak-sesŏr-ē kă-nal) In the tooth, channel leading from the root pulp laterally through dentin to the periodontal tissue; may be found anywhere in the tooth root but is more common in apical third of the root.
Synonym(s): lateral canal.