释义 |
DictionarySeetarget cellCodocyte An RBC with a central darker dimple, surrounded by a cleared space; codocytes are a typical finding in lecithin-cholesterol acyltransferase deficiency (LCAT), and are common in thalassemia, HbC disease, sickle cell anemia, and combinations of the 3; codocytes may also be also seen in iron-deficiency anemia, in various forms of liver disease, and can be produced by blowing on a freshly made, still wet, blood smeartar·get cell (tahr'gĕt sel) 1. An erythrocyte in target cell anemia, with a dark center surrounded by a light band that again is encircled by a darker ring, thus resembling a target used in practice with firearms or archery; such cells also appear after splenectomy. 2. A cell lysed by cytotoxic T lymphocytes, as in graft rejection. Synonym(s): codocyte, leptocyte, Mexican hat cell. tar·get cell (tahr'gĕt sel) An erythrocyte in target cell anemia, with a dark center surrounded by a light band that again is encircled by a darker ring, thus resembling a target used in practice with firearms or archery; such cells also appear after splenectomy. Synonym(s): leptocyte, Mexican hat cell. |