December 2023 in “Journal of dermatology” The study concluded that key signs of Keratosis follicularis spinulosa decalvans are changes in terminal hair and vellus hair follicles, which likely start the inflammation and damage to hair follicles.
The woman has a scalp condition causing hair loss.
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, while Folliculitis Decalvans is characterized by tufted hairs and redness around hair follicles.
April 2016 in “Journal of The American Academy of Dermatology” The study found that Temporal Triangular Alopecia often starts in early childhood, mainly affects the left side of the scalp, and has no effective treatment except surgery.
December 2013 in “Appetite” A defective gene causes hair loss and taste insensitivity in BTBR mice.
Dissecting cellulitis and folliculitis keloidalis cause intense inflammation without bacterial infection.
27 citations
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February 2006 in “International Journal of Dermatology” Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
5 citations
,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
28 citations
,
October 2023 in “Trends in biotechnology” 14 citations
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January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
Otter rabbit, mink, and blue fox fur can be identified by their unique hair structures.
1 citations
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January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” The 'Swiss cheese' pattern in scalp biopsies can indicate trichotillomania, not just alopecia areata.
September 1973 in “Primates” 2 citations
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January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
9 citations
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January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
August 2024 in “Skin Research and Technology” TAF can be identified by excessive skin thickening and clogged hair follicles, helping distinguish it from similar skin conditions.
Wearing a toupee makes men seem more attractive and slightly healthier, but doesn't change how confident they appear.
Toupees improved perceived attractiveness, especially by older people, but had little effect on perceived self-assurance and health.
26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
143 citations
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October 2008 in “Journal of The American Academy of Dermatology” Comma hairs are a specific sign of tinea capitis when viewed with videodermatoscopy.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
18 citations
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November 2016 in “Transgenic research” Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
1 citations
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March 2023 in “Journal of the Turkish Academy of Dermatology” Temporal triangular alopecia may be linked to sebaceous nevus and shows a new pinkish background feature.
13 citations
,
September 1997 in “Archives of Dermatology” The boy likely has a fungal infection causing hair loss.
January 2020 in “Revista Dermatológica Centro Uraga” Recognizing trichoscopic features is crucial for diagnosing various hair loss conditions.
6 citations
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February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
4 citations
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September 2020 in “Journal of Cutaneous Pathology”
16 citations
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December 2019 in “Animals” Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.