October 2025 in “International Journal of Advanced Multidisciplinary Research and Studies” Hairless dogs have unique skin adaptations to regulate temperature and protect against environmental factors.
48 citations
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July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
19 citations
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October 1996 in “International Journal of Dermatology” Pseudopelade is a rare inherited hair loss condition with a genetic cause.
38 citations
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September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
16 citations
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November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
17 citations
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
19 citations
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October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
27 citations
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November 1991 in “Journal of Investigative Dermatology” 95 citations
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January 2009 in “Journal of Biomedical Optics” Nanoparticles penetrate hair follicles better when their size matches the cuticula thickness.
Hairless mammals evolved quickly in both gene and non-gene areas related to skin and hair.
2 citations
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December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
1 citations
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January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
January 2007 in “Pizhūhish va sāzandigī” Hairless guinea pigs are useful for research in allergies, skin tests, and diseases.
307 citations
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November 1968 in “Journal of neurophysiology” Cats' hairy skin has different touch receptors connected by myelinated fibers.
7 citations
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June 1967 in “Journal of Investigative Dermatology” Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
April 2026 in “BMC Genomics” Hair type differences in cashmere goats are linked to keratin and cytoskeletal organization.
May 2006 in “The American journal of medicine” The man had persistent itchy bumps on his cheeks and neck despite trying different shaving products.
June 2026 in “Frontiers in Cell and Developmental Biology” Dermal papilla cells are key to fine wool growth in sheep.
41 citations
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January 2001 in “Journal of Investigative Dermatology” 65 citations
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February 1992 in “Development” Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.
21 citations
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December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
61 citations
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February 1982 in “Cell and Tissue Research” 7 citations
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May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” 51 citations
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March 1990 in “Journal of Investigative Dermatology” January 2025 in “Animal Science Journal” Golden takin's hair structure is adapted to maintain body temperature in harsh winters.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
7 citations
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October 1992 in “PubMed” Sinus hair follicles in mammals have different nerve fiber types with species-specific patterns, especially in cats.
28 citations
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
90 citations
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July 1993 in “Journal of Investigative Dermatology”