Relacionar Columnas 1.2.7 Bone RemodelingVersión en línea Calcium feedback and steps of bone remodeling por Laura Roy 1 Step 1 of Bone Remodeling 2 Osteoblast 3 Parathyroid hormone 4 Step 4 of Bone Remodeling 5 Step 3 of Bone Remodeling 6 Osteoclast 7 Step 2 of Bone Remodeling 8 Calcitonin 9 Hypercalcemia 10 Thyroid gland 11 Parathyroid 12 Hypocalcemia Releases parathyroid hormone High calcium levels Breaks down bone Fibrocartilaginous callus formation. Connective tissue stem cells & capillary blood vessels penetrate. Phagocytes clear away junk. Cartilage and blood vessels start to form to create new bone Builds bone Bony Callus Formation. Takes several weeks to months. Osteoclasts break down fibrous cartilage Osteoblasts lay new bone matrix, made of osteocytes. Bone is MOSTLY healed at this stage A hormone that increases Ca in the blood by stimulating bone to be broken down. Releases calcitonin Bone Remodeling - Compact bone replaces woven bone. Internal callus removed. Medullary cavity is restored A hematoma is a “blood tumor” that forms at the site of the break This painful, swollen area fills with blood from the broken blood vessels Low calcium levels A hormone that lowers Ca in blood by stimulating bone to be built.
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