Antibodies, Monoclonal/pharmacology; Antibodies, Monoclonal/therapeutic use; Bone Morphogenetic Proteins/immunology; Bone and Bones/drug effects; Genetic Markers/immunology; Osteogenesis/drug effects; Osteoporosis, Postmenopausal/drug therapy; Animals; Biological Assay; Biomechanical Phenomena; Bone Density/drug effects; Bone and Bones/pathology; Cell Lineage/drug effects; Disease Models, Animal; Female; Femur/drug effects; Femur/pathology; Humans; Lumbar Vertebrae/drug effects; Lumbar Vertebrae/pathology; Mice; Neutralization Tests; Organ Size/drug effects; Osteoblasts/cytology; Osteoblasts/drug effects; Osteocalcin/blood; Osteoporosis, Postmenopausal/blood; Osteoporosis, Postmenopausal/pathology; Osteoporosis, Postmenopausal/physiopathology; Ovariectomy; Rats; Rats, Sprague-Dawley; Tibia/drug effects; Tibia/pathology; Tomography, X-Ray Computed