title: A freeze-fracture study of the periodontal ligament of the rat.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005347:Fibroblasts / Q000648:ultrastructure*; D005614:Freeze Fracturing; D008297:Male; D009940:Organoids / Q000648:ultrastructure; D010513:Periodontal Ligament / Q000166:cytology*; D051381:Rats; D011919:Rats, Inbred Strains