part of develops from periodontium periodontal ligament paradentium EMAPA:35679 BTO:0001020 periodontal fiber SCTID:245775004 peridontal ligament fiber fibra periodontalis peridontal ligament fibre odontoperiosteum periodontal fibre desmodontium peridontal fibre peridontal ligament PDL peridontal fiber peridontium Wikipedia:Periodontal_fiber peridontal membrane alveolar periosteum FMA:56665 periodontium alveolodental ligament peridental membrane GAID:1259 CALOHA:TS-0763 alveolodental membrane The fibrous connective tissue that surrounds the root of a tooth, separating it from and attaching it to the alveolar bone. It extends from the base of the gingival mucosa to the fundus of the bony socket, and its main function is to hold the tooth in its socket[BTO]. MA:0002467 skeletal ligament dental follicle neural crest-derived structure