Keywords: SEM Lymphocyte.jpg Electron microscopic image of a single human lymphocyte Type Black White Print http //visualsonline cancer gov/details cfm imageid 1944 Dr Triche National Cancer Institute 1976-09-20 Unknown photographer/artist False color modifications made by myself--DO11 10 http //visualsonline cancer gov/about cfm All images are in the public domain and may be used linked or reproduced without permission If an image is used credit should be given to the listed source and/or author PD-USGov Lymphocytes Scanning electron microscopic images |