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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «T»:

  1. Thoracic Thoracic
    Thoracic: Pertaining to the chest....
  2. Thoracic aneurysm Thoracic aneurysm
    Thoracic aneurysm: A local widening and bulging of a vessel (an aneurysm) within the thorax (chest). See: Aortic aneurysm. An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and ma...
  3. Thoracic aorta Thoracic aorta
    Thoracic aorta: The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically, the thoracic aorta is that part of the aorta that starts after the arch of the aorta and runs down to the diaphragm, the great muscle that separates the chest from the abdo...
  4. Thoracic cage Thoracic cage
    Thoracic cage: The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages (that attach the ribs to the sternum). A cage is an enclosure made of "open work" that usually houses animals. The thoracic cage was thought to resemble an animal cage (althoug...
  5. Thoracic duct Thoracic duct
    Thoracic duct: A vascular structure which recirculates lymph into the blood stream. It begins in the abdomen and tracks alongside the aorta and esophagus to eventually join with the left brachiocephalic vein. ...
  6. Thoracic outlet syndrome Thoracic outlet syndrome
    Thoracic outlet syndrome: A condition due to compromise of blood vessels or nerve fibers between the armpit (axilla) and base of the neck, usually due to compression of nerves or blood vessels between the neck and shoulders. Symptoms include pain, arm weakness, and numbness in the hands and fing...
  7. Thoracic vertebrae Thoracic vertebrae
    Thoracic vertebrae: The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The thoracic vertebrae are represented by the symbols T1 through T12. The thoracic vertebrae provide attachment for the ribs and make up part of the back of the thorax (the ches...
  8. Thoracolumbosacral orthosis (TLSO) Thoracolumbosacral orthosis (TLSO)
    Thoracolumbosacral orthosis (TLSO): One of the two main types of braces used to correct the lateral (sideways) curve of the spine in scoliosis. Patients can wear this brace to correct spinal curves whose apex is at or below the eighth thoracic vertebra. The TLSO is an underarm brace, which means ...
  9. Thoracotomy Thoracotomy
    Thoracotomy: An operation to open the chest....
  10. Thorax Thorax
    Thorax: The area of the body located between the neck and the abdomen that contains the lungs, the heart and part of the aorta. The walls of the thorax are supported by the dorsal vertebrae, the ribs, and the sternum. The plural of thorax is thoraxes or thoraces. The thorax is also called the chest...
  11. Thoraxes Thoraxes
    Thoraxes: Plural of thorax....
  12. Thorn test Thorn test
    Thorn test: An early test for Addison's disease. The test is named for Dr. George W. Thorn who devised it. See: Thorn, George W.....
  13. Thorn, George W. Thorn, George W.
    Thorn, George W.: American endocrinologist (1906-2004) who was a pioneer in the use of cortisone for treating Addison's disease; a member of the medical team responsible for the first successful kidney transplant; and editor-in-chief of Harrison's Principles of Internal Medicine, a key medical text...
  14. Thr Thr
    Thr: Threonine. See also: Amino acid symbols....
  15. Three day fever Three day fever
    Three day fever: See: Sandfly fever....