April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
319 citations
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November 2005 in “Proceedings of the National Academy of Sciences” Hair follicle stem cells can help repair damaged nerves.
294 citations
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February 2011 in “Cell” Nephronectin helps attach muscle cells to hair follicles.
April 2023 in “Journal of clinical and translational science” 34 citations
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November 1991 in “Choice Reviews Online” Neurons and synapses are key to brain function and learning.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
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December 2020 in “Gene” ANXA1 influences hair growth in mice through the EGF signaling pathway.
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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.
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July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
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September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
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January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
248 citations
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September 2006 in “PLANT PHYSIOLOGY” Extracellular ATP is crucial for plant root growth and signaling.
Root hairs help us understand plant growth and the role of the actin cytoskeleton.
123 citations
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November 2003 in “Neuroscience Letters” TRPV4 helps sense pressure in mouse skin.
November 2024 in “Human Cell” Hair follicle stem cells can be turned into neuron-like cells, offering a new way for brain repair.
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January 1983 in “Brain Research Reviews” Monkey lips have dense sensory nerves similar to those in other skin areas, explaining their sensitivity.
January 2026 in “Mendeley Data” Hair follicle stem cell exosomes help nerve regeneration.
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
March 2008 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Local positive feedback helps shape root hair cells by stabilizing growth sites.
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July 2003 in “Histochemistry and Cell Biology”
January 2026 in “Mendeley Data” Hair follicle stem cell exosomes help nerve regeneration.
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January 2015 in “Development” Atoh1 expression can create new Merkel cells in the skin.
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August 2016 in “Dermatology - Open Journal” Mitochondria change shape to meet energy needs during cell movement.
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September 2013 in “Tissue engineering. Part A” Hair follicle stem cells can become motor neurons and reduce muscle loss after nerve injury.
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.
The transcription factor Meis2 is essential for touch sensation and proper nerve development in touch receptors.
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November 2011 in “Nature Neuroscience”