Keywords: Macrophages in the brain before and after in vitro infecti.jpg Electron micrograph of macrophages in the brain before and after in vitro infection by HIV-I The uniform cells are normal The ones with spaced out neoplastic cells are infected When the cells are infected with HIV-I clusters are formed Topics/Categories Cancer Types -- AIDS-Related Cells or Tissue -- Abnormal Cells or Tissue Type B W Photo Source Laboratory of Tumor Cell Biology National Cancer Institute Dr Suzanne Gartner Photographer 2505 1990 Reuse Restrictions None - This image is in the public domain and can be freely reused Please credit the source and/or author listed above Dr Suzanne Gartner Photographer PD-USGov-HHS-NIH Media from National Cancer Institute Visuals Online Images uploaded by Fæ |