MANFRED KAGE / SCIENCE PHOTO LIBRARY MANFRED KAGE / SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of HeLa cells growing in culture, showing numerous microvilli projecting from their surfaces. The lineage of HeLa culture cell lines dates back to 1952, when George Otto Gey, a cell biologist at the Johns Hopkins University in Baltimore, USA, established the first human cell line. The source was an epidermoid carcinoma biopsy removed from a woman with suspected cancer of the cervix, who subsequently died. It is known that the woman's first name began with HE and her surname with LA. HeLa cells are now ubiquitous & are found in many human & animal cell lines subsequently cultured. Magnification: x1650 at 6x7cm size.
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