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. Author manuscript; available in PMC: 2012 Apr 27.
Published in final edited form as: Ann Biomed Eng. 2007 Nov 16;36(2):298–307. doi: 10.1007/s10439-007-9406-7

Figure 3. Scanning electron micrographs of human leukocytes.

Figure 3

The surfaces of human leukocytes are completely covered by sub-micron membrane folds (microvilli) that are on the order of 0.2µm in height. The length and shape of the membrane folds are non-uniform. The top micrograph shows a quiescent leukocyte whereas the bottom image shows an activated cell. The middle image shows the microvilli in more details. Bar = 1µm.