Ключевые слова: 3d, atomic, atoms, bone disease, bone remodeling, calcium, colorful, disease, endocrine, endocrinology, healthcare, hormone, human, hypercalcaemia, hyperparathyroidism, hypocalcaemia, hypoparathyroidism, illness, illustration, medical, medicine, model, molecular, molecule, osteoclast activity, paraneoplastic syndrome, parathormone, parathyrin, parathyroid, parathyroid glands, pdb, protein data bank, pth, research, secreted, serum, somatotropin, stress, structure,