leptocyte


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lep·to·cyte

(lep'tō-sīt),
A target or Mexican hat cell, that is, an unusually thin or flattened red blood cell with a central rounded area of pigmented material, a middle clear zone that contains no pigment, and an outer pigmented rim at the edge of the cell. Leptocytes are thought to be erythrocytes in which the cellular envelope or membrane is unusually large in proportion to its contents.
[lepto- + G. kytos, cell]
Farlex Partner Medical Dictionary © Farlex 2012

leptocyte

leptos, Greek, thin A wafer-thin RBC with marginated Hb seen in thalassemia and obstructive liver disease, in iron-deficiency anemia, and in chronic inflammation.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

tar·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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Medical Dictionary for the Dental Professions © Farlex 2012