Within the tooth is a cavity (a hollow, not to be confused with cavities caused by dental disease or poor dental hygiene) which houses the |pulp| of the tooth. The |pulp| consists of connective tissue, ~nerves~, lymphatics, and vessels. The |pulp| cavity corresponds roughly to the external shape of the tooth, and sends tubules filled with odontoblasts (tooth-forming cells) into the |dentin|. The |pulp| is also connected to the periodontal membrane through the root canals which extend through the |apical foramina| (openings in the apex of each root cone).
