dandruff
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dandruff
[dan´druf]1. a scaly material shed from the scalp; applied to that normally shed from the scalp epidermis as well as to the excessive scaly material associated with disease. The condition may spread unless checked and in rare cases may extend to the eyebrows, ears, nose, and neck, causing a reddening of the skin in those areas.
2. seborrheic dermatitis of the scalp.
dan·druff
(dan'drŭf),The presence, in varying amounts, of white or gray scales in the hair of the scalp, due to excessive or normal branny exfoliation of the epidermis.
See also: seborrheic dermatitis.
See also: seborrheic dermatitis.
dandruff
(dăn′drəf)n.
A scaly scurf formed on and shed from the scalp, sometimes caused by seborrhea.
dan′druff·y adj.
seborrheic dermatitis exam
An idiopathic spongiotic dermatitis characterised by greasy or dry white scales, variably accompanied by erythema.Sites
Scalp, face, nose, eyebrows, behind ears, external ear, skin over sternum and over skin folds.
Risk factors
Familial, stress, fatigue, temperature extremes, oily skin, infrequent shampoos or skin cleaning, acne, obesity, excess use of lotions with alcohol, AIDS, neurologic conditions (e.g., Parkinson's disease), head injury, stroke.
dan·druff
(dan'drŭf)The presence, in varying amounts, of white or gray scales in the hair of the scalp, due to exfoliation of the epidermis.
See also: seborrheic dermatitis
Synonym(s): scurf, seborrhea sicca (2) .
See also: seborrheic dermatitis
Synonym(s): scurf, seborrhea sicca (2) .