B0004159 Platelets and red blood cells
Credit: University of Edinburgh. Wellcome Images
Colour-enhanced image of platelets (green) and red blood cells. Platelets are necessary for the blood clotting process and are generated from large cells called megakaryocytes. Neither platelets nor mature red blood cells contain nuclei.
Transmission electron micrograph
1980 – 2000 Published: –

Copyrighted work available under Creative Commons by-nc-nd 4.0, see http://wellcomeimages.org/indexplus/page/Prices.html