MEDICAL CORNER …. Head Lice!

MEDICAL CORNER … a frequent finding when you have kids or grands!!

It Is What It Is

~~February 20, 2014~~

Going through this process for almost a third time, I had to review and refresh my knowledge.

Here goes …. 

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The head louse (Pediculus humanus capitis) is an obligate ectoparasite of humans. Head lice are wingless insects spending their entire life on the human scalp and feeding exclusively on human bloodHumans are the only known hosts of this specific parasite. Other species of lice infest most orders of mammals and all orders of birds.

Like all lice, head lice differ from other hematophagic ectoparasites such as the flea in that lice spend their entire life cycle on a host. Head lice cannot fly, and their short stumpy legs render them incapable of jumping, or even walking efficiently on flat surfaces.

The non-disease-carrying head louse differs from the related disease-carrying body louse (Pediculus humanus humanus) in preferring to attach eggs to…

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