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: 2/27/2008

Updated by: Rachel A. Lewis, MD, FAAP, Columbia University Pediatric Faculty Practice, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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