- Osteoblast: A cell which secretes the substance of bone.
- Osteoclast: A large multinucleate bone cell which absorbs bone tissue during growth and healing.
- Bone mineral density: Is a medical term normally referring to the amount of mineral matter per square centimeter of bones.
- Metabolic: relating to metabolism of a living organism.
- Estrogen: Hormones which promote the development and maintenance of female characteristics of the body.
- Testosterone: Hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes.
- Deep vein thrombosis: Thrombosis in a vein lying deep below the skin, especially in the legs, often precipitated by immobility during illness or long-distance travel.
- Pulmonary embolism: Pulmonary embolism is an obstruction of a blood vessel in the lungs, usually due to a blood clot.
- Anorexia nervosa: An emotional disorder characterized by an obsessive desire to lose weight by refusing to eat.
- Menopause: A period in a woman's life (typically between 45 and 50 years of age) when menstruation ceases marking the end of the woman's reproductive life.
