Blood Smear -High Power



This is the typical field of view as seen at 400 power (the "high dry" power of your microscope) of a blood smear (Wright stain).  Notice that the red blood cells are uniform in size and shape, and most appear as a red ring surrounded by a pale center.  This is due to the biconcave shape of each cell (thinner in the center).  Platelets appear as small, irregular, dark-staining objects.  White cells are better seen at 1000 X (the "oil-immersion" power of a microscope).

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Dr. Sullivan's Departmental Page

Copyright 2001 Dennis Sullivan, MD - All RIGHTS RESERVED

Cedarville University, 251 N. Main Street, Cedarville, OH 45314, USA  1-800-CEDARVILLE

Last updated: July 10, 2001.