title: The ultrastructure of cartilage canals and the surrounding cartilage in the sheep fetus.
mesh_terms: D000818:Animals; D002356:Cartilage / Q000098:blood supply / Q000166:cytology* / Q000196:embryology / Q000294:innervation; D004838:Epiphyses / Q000166:cytology* / Q000196:embryology; D006652:Histological Techniques; D008854:Microscopy, Electron; D012756:Sheep