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December 2002 in “Journal of dermatological science” Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
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January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
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March 2012 in “Journal of Experimental Biology” Tarantula feet likely have chemoreceptors, not silk-producing parts.
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January 2016 in “Methods in molecular biology” HAP stem cells can repair nerves, grow hair follicle nerves, and become heart muscle cells, making them useful for regenerative medicine.
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January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
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September 2010 in “Acta Ophthalmologica” Meibomian glands are like hair follicles without a hair shaft.
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December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
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January 1994 in “Cell and Tissue Research” July 2013 in “University of Southern California Digital Library” New stem cells in nails and sweat glands can regenerate skin and hair.
November 2024 in “Journal of Investigative Dermatology” Skin and hair cells release serotonin and histamine naturally, which could help improve skin health.
February 2026 in “Advanced Sensor Research” Advanced technologies can improve understanding and monitoring of skin-brain interactions.
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January 2015 in “Current Topics in Developmental Biology” Fish teeth and taste bud densities are linked and can change between types due to shared genetic and molecular factors.
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September 2012 in “Trends in Neurosciences” Nerves are crucial for the regeneration of various body parts in many animals.
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February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
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January 2016 in “Columbia Academic Commons (Columbia University)” Mammalian touch receptors have evolved to detect different features, enhancing our ability to perform various tasks and interact socially.
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August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
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October 2022 in “Frontiers in Physiology” Calcium channels are vital for normal skin function and their dysfunction can lead to skin issues.
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November 1984 in “Journal of Investigative Dermatology” March 2026 in “Journal of Bioscience and Bioengineering” Oxytocin from hair cells helps hair growth and stem cell increase.
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.