Autosome: Any chromosome other than the X and Y sex chromosomes. People normally have22 pairs of autosomes (44 autosomes) in each cell.
Autotransplant: Tissue transplanted from one part of the body to another in the same individual. Also called an autograft.
Autotransplantation: The process of transplanting tissue from one part of the body to another in the same individual. The transplanted tissue is termed an autotransplant or an autograft. Ovarian autotransplantation has been done to the upper arm to protect the ovary while the patient had radiotherapy to the abdomen. A parathyroid gland (usually there are […]
Audiologist: A health care professional who is trained to evaluate hearing loss and related disorders, including balance (vestibular) disorders and tinnitus (ringing in the ears) and to rehabilitate individuals with hearing loss and related disorders. An audiologist uses a variety of tests and procedures to assess hearing and balance function and to fit and dispense […]
- Avascular necrosis
Avascular necrosis: A condition in which poor blood supply to an area of bone leads to bone death. Abbreviated AVN. Also known as aseptic necrosis and osteonecrosis.
- Avascular necrosis of the femoral head
Avascular necrosis of the femoral head: See Legg-Calve-Perthes disease. Avascular necrosis (AVN) of the femoral head is a pathologic process that results from interruption of blood supply to the bone. It is also called aseptic necrosis or osteonecrosis. Conditions associated with aseptic necrosis include alcoholism, diabetes mellitus, extended periods of steroid usage, sickle cell disease, […]