monilethrix


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monilethrix

 [mo-nil´ĕ-thriks]
a hereditary condition in which the hair is brittle and beaded.

mo·nil·e·thrix

(mō-nil'ĕ-thriks), [MIM*158000, MIM*252200]
An autosomal dominant trichodystrophy in which brittle hairs show a series of constrictions, usually without a medulla.
[L. monile, necklace, + G. thrix, hair]

monilethrix

Beaded hair disease An AD condition characterized by short brittle, beaded hair that may evolve to alopecia, accompanied by cataract formation

mo·nil·e·thrix

(mō-nil'ě-thriks)
An inherited trichodystrophy in which brittle hairs show a series of constrictions, usually without a medulla.
Synonym(s): beaded hair, moniliform hair.
[L. monile, necklace, + G. thrix, hair]
References in periodicals archive ?
[1] Radcliffe Crocker, subsequently suggested the term monilethrix. Nevertheless, some early reports and even some more recent ones, confuse monilethrix with other shaft defects (e.g.
[5] A variant of monilethrix with scalp erosions and the appearance of congenital alopecia is attributed to a mutation in the gene for desmoglein 4, which can be recessively inherited.
Monilethrix is a rare autosomal dominant condition.
Monilethrix shows considerable variation in age of onset, severity and course.
Diagnosis of monilethrix depends upon clinical and microbiological examination.
Monilethrix: its occurrence in seven generations, with one case that responded to endocrine therapy.
Sir monilethrix is a rare hair shaft disorder with structural defect resulting in increased fragility.
Monilethrix was first described by Walter Smith in 1879 who called it a rare nodose condition of the hair' for which Radcliffe Crocker subsequently suggested the term monilethrix.2
Autosomal dominant transmission has been demonstrated in numerous large pedigrees.3 Monilethrix shows considerable variation in age of onset severity and course.
Monilethrix is a hair disorder that results in periodic nodes or beading along the length of the hair with intervening, tapering constrictions that are not medullated.
* Pili annulati * Trichoschisis * Monilethrix * Trichorrhexis nodosa * Trichorrhexis invaginati * Pili torti * Trichonodosis * Trichoptilosis
These include ringed or banded hairs (pili annulati) (Figures 77 and 78), conspicuous nodes (trichorrhexis nodosa), or regular diameter fluctuations (monilethrix).