A Reactive Lymphocyte in each frame. Reactive lymphocytes are medium-to-large in size and show much more cytoplasm than usual lymphocytes. The cell outline may or may not be irregular. Cytoplasmic color is gray or gray-blue, frequently showing increased basophilic color at the periphery. Vacuoles and/or azurophilic granules may be present. The nucleus is frequently irregular (oval, elliptical, triangular, indented, overlapping) in shape. Chromatin often is less dense and/or more evenly distributed than in the usual lymphocyte. A nucleolus may be seen. Viral infection blood - 100X
Image ID: 0147-019
Copyright 1995-2010 - Carden Jennings Publishing Co., Ltd. All rights reserved. The material available at this site is for educational purposes only and is NOT intended for any diagnostic, clinically related, or other purpose. Carden Jennings Publishing Co., Ltd., assumes no responsibility for any use or misuse of this material and makes no warranty or representation of any kind with respect to the material available at this site.