title: Do collagen fibrils of the periodontal ligament shrink with age?
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002648:Child; D003094:Collagen; D003238:Connective Tissue / Q000033:anatomy & histology; D005260:Female; D006652:Histological Techniques; D006801:Humans; D008297:Male; D008875:Middle Aged; D010513:Periodontal Ligament / Q000033:anatomy & histology*
chemical_list: D003094:Collagen