trichorrhexis nodosa


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trichorrhexis

 [trik″o-rek´sis]
the condition in which the hairs are split and feather-like.
trichorrhexis nodo´sa a condition marked by fracture and splitting of the cortex of a hair into strands, giving the appearance of white nodes at which the hair is easily broken. Called also bamboo hair.

trich·or·rhex·is no·do·sa

a congenital or acquired condition in which minute nodes are formed in the hair shafts; splitting and breaking, complete or incomplete, may occur at these points or nodes.

trichorrhexis nodosa

Dermatology A defect in the hair shaft characterized by thickened weak points–nodes that cause hair breakage; TN may have a genetic basis but is precipitated by environmental factors–eg, “perming,” blow drying, aggressive brushing, chemical exposure

trich·or·rhex·is no·do·sa

(trik'ō-rek'sis nō-dō'să)
A congenital or acquired condition in which minute nodes are formed in the hair shafts; splitting and breaking, complete or incomplete, may occur at these nodes.
Synonym(s): clastothrix, trichoclasia, trichoclasis.

trichorrhexis

the condition in which the hairs are split and feather-like.

trichorrhexis nodosa
structural abnormalities of the hair shaft result in breakage and hypotrichosis; seen in horses, dogs and humans. Physical or chemical damage to the hair is usually responsible.
References in periodicals archive ?
Hair shaft anomalies have been reported, consisting of pili torti and trichorrhexis nodosa.
8) These findings are helpful in differentiating woolly hair from pili torti, monolethrix or trichorrhexis nodosa and Menkes syndrome.
Pili annulati * Trichoschisis * Monilethrix * Trichorrhexis nodosa * Trichorrhexis invaginati * Pili torti * Trichonodosis * Trichoptilosis