Hair casts
Encyclopedia
Hair casts represent remnants of the inner root sheath, and often occur in great numbers and may mimic nits
in the scalp
.
Head-louse infestation
Pediculosis capitis is a human medical condition caused by the colonization of the hair and skin by the parasitic insect Pediculus humanus capitis—the head louse. Typically, only the head or scalp of the host is infested...
in the scalp
Scalp
The scalp is the anatomical area bordered by the face anteriorly and the neck to the sides and posteriorly.-Layers:It is usually described as having five layers, which can conveniently be remembered as a mnemonic:...
.