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This article reviews genetic mutations linked to monilethrix, a hereditary hair disorder, and reports no new clinical findings on the condition's variability in symptoms and severity.

This study reported that in men with androgenic alopecia, a distinct subclinical hyperpigmentation pattern was observed in the scalp, associated with baldness severity and possibly linked to local melanin production by pilosebaceous units.

This study suggests that reptilian claws grow differently from mammalian claws, with continuous epidermal growth rather than a proximal matrix zone for cell proliferation.

This study investigated the interdigital glands of moose, detailing their unique green hair coloration and the function of sebaceous and sweat glands, particularly during the rut period.

This study describes a case where a patient's rapid hair loss and specific hair root changes helped diagnose thallium poisoning.

This study reported that acquired ichthyosis and hair changes in a 70-year-old woman with leiomyosarcoma resolved after the surgical removal of the tumor.

In this study, phenylthiocarbamide intake was associated with hair graying in rats, while switching to tap water led some rats to regain their original fur color, suggesting dietary factors influence pigmentation.

This article describes the balding process as a reduction in hair follicle size rather than a decrease in their number, but it reports no new findings.

This study suggests that iodine deficiency in sows may cause alopecia and other health issues in their newborn piglets.

This study reported that dilated follicular infundibula are a highly useful histopathologic criterion for diagnosing alopecia areata, particularly during its recovery stage.

This study found that Malassezia pachydermatis was present on both lesion and healthy skin in a California sea lion, with significantly more colonies on the lesion site.

In this case study, researchers reported that moth-eaten alopecia was the only clinical sign of secondary syphilis in a 28-year-old man from Nepal, and treatment with Benzathine Penicillin G led to complete hair regrowth within four months.

This study found distinct skin surface changes, including faint mosaic melanoderma and atypical scaliness, on long-standing sun-exposed balding scalps that may be associated with actinic field carcinogenesis.

UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.

This study observed that chronic and acute exposure to finasteride negatively impacted development, reproduction, and gene expression in Daphnia magna, highlighting the environmental risks of this pharmaceutical for freshwater ecosystems.

This study observed that buffalo teats have a melanin-rich epidermis, no hair follicles, and a complex structure with specific epithelial and muscular characteristics.

This case report describes a 5-day-old male infant with a constellation of symptoms, including leptomeningeal angiomatosis, hair follicle nevus, and congenital alopecia, potentially representing a novel neurocutaneous syndrome.

This study found that as hair loss severity increased in women with female pattern hair loss, the number of vellus follicles also rose, indicating miniaturization of terminal hair follicles.

This case report highlights an unusual trichoscopic appearance in alopecia areata due to dithranol staining, which may obscure typical patterns and reveal atypical vascular features in the interfollicular spaces.

In this animal study, researchers observed that both aging and lower androgen levels in male albino rats led to significant structural changes in meibomian glands, including reduced acinar cell size, diminished meibum secretion, and increased collagen deposition.

This article reviews the role of LMNA gene mutations, particularly in Hutchinson–Gilford progeria syndrome, but does not report new experimental findings.

This correspondence highlights existing research on pattern hair loss, discussing findings about immune deposits, lymphocytic infiltration, and responses to treatment, and calls for future well-controlled studies.

This case report details the dermoscopic features of oral lichen planus in a young adult male, using mucoscopy to reveal a tri-colored pattern with unique structures and vascular patterns.

Methylmercury accumulates in mouse hair during growth, then decreases when growth stops.

This study investigated the mechanism responsible for pili torti formation in Björnstad syndrome using a transmission electron microscope, but did not establish a definitive explanation.

This review examines the adaptive value and mechanisms of seasonal coat colour moulting in birds and mammals, highlighting the challenge of camouflage mismatch and the necessity for evolutionary adaptation under climate change.

This study reports new cellular features and complex interaction systems in fiber differentiation, indicating more intricate cellular organization than previously recognized, including features like mast cells and primary cilia.

This study reports an abnormal onion-shaped swelling on the hair shafts of some Abyssinian cats, affecting the appearance of their coat, though skin and hair structures appear normal under the microscope.