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Poliosis circumscripta, commonly referred to as a "white forelock", is a condition characterized by localized patches of white hair due to a reduction or absence of melanin in hair follicles. Although traditionally associated with the scalp, poliosis can affect any hairy area on the body, including eyebrows, eyelashes, and beards.
Uncombable hair syndrome 3 is caused by a defect in the PADI3 gene (peptidylarginine-deiminase 3) and is located on chromosome 1. This defect apparently is the most common cause of UHS. [4] The PADI3 gene provides instructions for creating an enzyme called peptidylargine deiminase 3.
Waardenburg syndrome has multiple different types with some variations in symptoms, and symptoms can vary among those with the same type. The two features consistent across all types of Waardenburg syndrome are some degree of congenital sensorineural hearing loss and some degree of pigmentation deficiencies, most consistently in the eyes.
Waxing is commonly used in larger areas and temporarily removes hair for about 2 to 6 weeks. Waxing can cause skin irritation, scars, folliculitis, and thermal injury due to the hot wax, and repeated waxing can reduce hair regrowth over time. [26] Tweezing or plucking hair is best for smaller areas and can remove hair for 2 to 12 weeks. [27]
13-year-old Lalit Patidar from central India was given the nickname ''wolf boy'' after the effects of a rare condition, known as hypertrichosis, caused him to grow hair all over his face ...
Acquired hypertrichosis lanuginosa is characterized by rapid growth of lanugo hair, particularly on the face. [12] [13] Hair also appears on the trunk and armpits, while palms and soles are unaffected. [13] The excess hair is commonly referred to as malignant down. [13] This hair is very fine and unpigmented. [13] Generalized hypertrichosis
In 2002, Whitkop and other scientists examined patients born with white hair, some black locks, and depigmented skin; he diagnosed them as having black lock albinism deafness syndrome (BADS). [1] Those who were closely working with this case suggested that it was an autoimmune disorder rather than a genetic defect.
Trichorrhexis nodosa is a defect in the hair shaft characterized by thickening or weak points (nodes) that cause the hair to break off easily. [ 2 ] [ 3 ] : 636 This group of conditions contributes to the appearance of hair loss , lack of growth, and damaged-looking hair.