Cross section of tooth in alveolar bone - cat; low magnification

Stain: Picric acid and hematoxylin. From left to right: alveolar bone tissue with osteons; periodontal ligament with blood vessels; acellular cementum (dark purple rim); dentin with (purple) radiair arrangement of dentinal tubules; fine incremental (imbrication) lines of von Ebner run at right angles to these tubules; these lines represent alterations in calcification and indicate growth pattern of dentin; small rim of dark stained secondary dentin; and pulp chamber