DR. E. WALKER / SCIENCE PHOTO LIBRARY DR. E. WALKER / SCIENCE PHOTO LIBRARY
Dyskaryosis in cervical cells. Light micrograph of squamous epithelial cells from a cervical smear showing moderate dyskaryosis corresponding to cervical intraepithelial neoplasia (CIN) 2. These squamous cells make up the outer wall of the cervix linking uterus to vagina. Dyskaryosis is abnormality in the cell nucleus. Here, a normal cell is at right (pink). The cells at centre (blue) have enlarged and prominent nuclei (dark blue, rounded), a sign of abnormal cell division. Cervical smears are examined to alert a doctor to the cellular changes associated with the develop- ment of infection or cancer. Papanicolaou stained. Magnification: x400 at 35mm size.
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