The pulp is a connective tissue with many similarities to other connective tissues of the body. A major difference is that the pulp tissue is enclosed inside hard dentine walls. A layer of odontoblasts line the dentine with cellular extensions into the dentinal tubules.
The odontoblast layer is followed by the narrow, cell-free zone of Weil and a typical loose connective tissue with fibroblasts and other connective tissue cells, blood vessels and nerves.