虱子（头，虱子）
虱子是卵形的，灰白色的卵固定在毛轴上(顶部);在低倍显微镜下，它们具有独特的外观(下图)。
Top image courtesy of Thomas Habif, MD.Bottom image courtesy of Dennis D.Juranek, MD, via the Public Health Image Library of the Centers for Disease Control and Prevention.
在这些主题中
虱子是卵形的，灰白色的卵固定在毛轴上(顶部);在低倍显微镜下，它们具有独特的外观(下图)。
Top image courtesy of Thomas Habif, MD.Bottom image courtesy of Dennis D.Juranek, MD, via the Public Health Image Library of the Centers for Disease Control and Prevention.