Membranous particles in calcifying cartilage matrix.
D000818:Animals; D002113:Calcification, Physiologic; D002356:Cartilage / Q000378:metabolism*; D004838:Epiphyses / Q000378:metabolism; D006651:Histocytochemistry; D051379:Mice; D008854:Microscopy, Electron; D011817:Rabbits