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.
References in periodicals archive ?
A unique case of trichorrhexis nodosa: 'bamboo hairs'.
Netherton, "A unique case of trichorrhexis nodosa: bamboo hairs," Archives of Dermatology, vol.
(8) These findings are helpful in differentiating woolly hair from pili torti, monolethrix or trichorrhexis nodosa and Menkes syndrome.
Trichorrhexis nodosa is a condition characterized by the formation of nodes.
* Trichorrhexis Nodosa. One of the most common anomalies confused with flits, trichorrhexis nodosa is a condition characterized by grayish-white enlargements or nodules on the hair shaft that are sites at which the cortex of the shaft has fractured and split into strands, weakening the hairs so they break at these nodes.