MedlinePlus Medical Encyclopedia: Nit on human hair

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Nit on human hair

This photograph shows a "nit" or tiny white egg sack attached to the shaft of a human hair. (Image courtesy of D. Scott Smith, MD, MSc, DTM&H)

Update Date: 3/17/2006

Updated by: John Goldenring, MD, MPH, Department of Pediatrics, Children's Hospital, San Diego, CA. Review provided by VeriMed Healthcare Network.

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