T e a c h e r  C r e a t e d  L e s s o n

Microorganisms in the 21st Century (part 1)

mbeall

CHIN, Gatineau, Quebec

Fluorescent micrograph of a cell

Fluorescent micrograph of a cell

Picture of a human natural killer (NK) cell (stained with a fluorescent green) attacking a tumour cell called K562 (fluorescent yellow). The technique allows investigators to count killer cells and how many are attacking tumour cells.

Photo courtesy of the Department of Microbiology and Immunology, Queen´s University.

Fluorescent micrograph

© CHIN 2001