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Pediculosis Capitis

Date: 1910 | Identifier: LL02.49.00.61
Dermatologic stereoview card. Front of card shows a side view of a female's head that is infested with head lice. The reverse of the card describes the dermatologic conditions as well as the diagnosis and treatment. Pediculosis Capitis is one of three varieties of lice that infest man—Pediculus capitis, Pediculus corporis and Pediculus pubis. Pediculus capitis, the head louse, dwells exclusively on the scalp. It is 1 to 3 mm. long and about half as broad. The color is a translucent gray except along the lateral borders, which are almost black. Immediately after feeding, the animal gets a red tinge from the ingested blood. Each is firmly glued to the side of a hair with its larger end projecting away from the axis and toward the distal extremity of the shaft. Pediculosis Capitis may also be known as Pediculosis capillitii, Phthiriasis capitis, or Head-lousiness. more...