| Ph1 c | Philadelphia chromosome |
|---|---|
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
| AAFP | American Academy of Family Physicians; American Academy of Family Practice |
| AAMP | American Academy of Maxillofacial Prosthetics; American Academy of Medical Prevention |
| AOD | Academy of Operative Dentistry; Academy of Oral Dynamics; adult onset diabetes; anesthesiologist-on-... |
| killer cells, natural | Cells responsible for spontaneous cytotoxicity of a variety of tumour cells without prior immunization. These natural killer cells are found in non-immune humans and experimental animals and are thought by some to be the same as killer cells (killing by antibody-dependent cell cytotoxicity), but they can also kill in the absence of antibody. (12 Dec 1998) |
|---|