Calcitonin injections have no effect on vertebral bone density...it is anticipated when doing the experiment that there would be...but there is not. (Marieb)
If the rat ovariectomized, the rate probably has osteoporosis (T score of -2.5 or less). Assuming this is a bone density test, the injection of estrogen will increase bone density, bringing its T...
Calcitonin is a hormone that has been used as an injection for many years. A new version is on the market as a nasal spray. It too slows down bone-eating osteoclasts.