Monilethrix
/ˌmɒnɪˈlɛθrɪks/noun
A rare inherited disorder in which the hair shaft develops regular bead-like swellings and fragile constrictions.
Did you know?The bead-like pattern is caused by periodic weak points in the hair shaft, making affected hairs break easily and giving the condition its striking necklace-like appearance.
Etymological Timeline
Classical Latin
Latin
monile
“A necklace or collar, especially one made of beads or jewels.”
Ancient Greek
Greek
θρίξ (thríx)
“Hair; the word’s genitive form, τριχός (trichos), supplied the combining form trich-.”
19th Century
Medical Latin
monilethrix
“A coined medical compound describing hair resembling a necklace or string of beads.”
20th Century
Medical English
monilethrix
“A recognized hereditary hair-shaft disorder characterized by beaded, brittle hair.”
Modern English
English
monilethrix
“A rare genetic condition producing regular nodes and constrictions along individual hairs.”
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