Acarus scabiei Acarus sca·bi·e·i (skā'bē-ē'ī)
To the invasion of the cutaneous structures by an animal parasite, the sarcoptes scabiei (acarus scabiei).
Linnæus classed it among the aptera, and termed it the acarus scabiei.
The acarus scabiei causes itch, but fortunately it is rare in America.
The presence of lice and of the acarus scabiei can bring about acute and severe skin eruptions.