The principal fibers of the periodontal ligament.
D000818:Animals; D001842:Bone and Bones / Q000033:anatomy & histology; D003739:Dental Cementum / Q000033:anatomy & histology; D003743:Dental Enamel / Q000033:anatomy & histology; D066298:In Vitro Techniques; D007180:Incisor; D008334:Mandible; D008963:Molar; D010519:Periodontium / Q000033:anatomy & histology*; D011817:Rabbits; D014078:Tooth Eruption