Osteons are found in many of the bones of many mammals, birds, reptiles, and amphibians and run parallel to the long axis of bones.
Osteons are found in many of the bones of many mammals. Osteons are found in many of the bones of birds. Osteons are found in many of the bones of reptiles. Osteons are found in many of the bones of amphibians. Osteons are run parallel to the long axis of bones.