Age-related changes in the substantia compacta of the long limb bones.
D000365:Age Determination by Skeleton; D000367:Age Factors; D000818:Animals; D006224:Cricetinae; D005360:Fibula / Q000033:anatomy & histology / Q000502:physiology*; D006168:Guinea Pigs; D051379:Mice; D011817:Rabbits; D051381:Rats; D013977:Tibia / Q000033:anatomy & histology / Q000502:physiology*