Bone, Joint and Muscle Terms

Bones, joints, muscles, connective tissues, movement, and orthopedic health. Browse definitions and meanings below.

296 terms

Terms in this topic

Alphabetical order
  • Refers to muscle, fat, fibrous tissue, blood vessels, or other supporting tissue of the body.

  • Soft tissue sarcoma is a rare cancer arising in muscle, fat, or connective tissue rather than in bone or organs.

  • A spasm is a sudden, involuntary muscle contraction that can affect a single muscle, a group of muscles, or the wall of an organ.

  • Its position deep within the skull places the sphenoid sinus in close proximity to structures such as the pituitary gland and nearby nerves.

  • A ring of muscle whose resting state is closed, opening only when the body signals that something should pass.

  • The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone.

  • The bones, muscles, tendons, and other tissues that reach from the base of the skull to the tailbone.

  • Cancer is found in the lining of the chest wall and may also be found in the lining of the lung, the lining of the diaphragm (the thin muscle below the lungs and heart that separates the chest from…

  • An aggressive (fast-growing) type of leukemia (blood cancer) in which too many T-cell lymphoblasts (immature white blood cells) are found in the bone marrow and blood.

  • Tacrolimus suppresses the immune system by blocking a step in T cell activation, and is used mainly to prevent rejection after organ transplantation.

  • The small bone at the bottom of the spine.

  • Tendons are tough fibrous cords that transmit a muscle's pulling force to bone, distinct from ligaments that connect bone to bone.

  • Its tissues are recognizable and in the wrong place, and whether that tissue is fully formed matters less in the testis than in the ovary.

  • A tiny piece of a cell found in the blood that breaks off from a large cell found in the bone marrow.

  • The tibia is the larger, weight bearing bone of the lower leg, forming the knee joint above and the ankle joint below.

  • A substance that is being studied as a treatment for advanced prostate cancer and for pain caused by prostate cancer that has spread to the bone.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.