CIL:38811 - http://cellimagelibrary.org/images/38811
Description: Scanning electron micrograph of red blood cells clearly showing their biconcave disc shape. Human red blood cells are typically 8 microns x 2 microns in size.
Author: Annie Cavanagh
Licensing: Attribution-NonCommercial-NoDerivs 2.0 UK: England & Wales (CC BY-NC-ND 2.0 UK)