title: Three-dimensional observation of collagen framework of intervertebral discs in rats, dogs and humans.
mesh_terms: D000328:Adult; D000818:Animals; D003094:Collagen / Q000032:analysis*; D004285:Dogs; D006801:Humans; D007403:Intervertebral Disc / Q000032:analysis* / Q000033:anatomy & histology; D008297:Male; D008855:Microscopy, Electron, Scanning; D008875:Middle Aged; D051381:Rats
chemical_list: D003094:Collagen