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    Glossary Arrector Pili Muscle

    small muscle causing hair to stand up, creating goosebumps

    The arrector pili muscle is a small, smooth muscle attached to the base of a hair follicle. When it contracts, usually in response to cold or emotional stimuli, it causes the hair to stand up, a phenomenon known as "goosebumps." This muscle plays a role in thermoregulation and can also be involved in the body's response to stress.

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    Research 10 of 989

    1. Beyond goosebumps: Does the arrector pili muscle have a role in hair loss? International Journal of Trichology · 2014 · 31 citations
    2. The Arrector Pili Muscle and the Follicular Unit of the Scalp: A Microscopic Anatomy Study Dermatologic Surgery · 2002 · 24 citations
    3. The arrector pili muscle, the bridge between the follicular stem cell niche and the interfollicular epidermis Anatomical Science International · 2016 · 14 citations
    4. Epidermal Cells Expressing Putative Cell Markers in Nonglabrous Skin Existing in Direct Proximity with the Distal End of the Arrector Pili Muscle Stem Cells International · 2016 · 5 citations
    5. Novel shampoo reduces hair shedding by contracting the arrector pili muscle via the trace amine‐associated receptor Journal of Cosmetic Dermatology · 2019 · 3 citations
    6. The Arrector Pili Muscle and the Follicular Unit of the Scalp Dermatologic Surgery · 2002 · 2 citations
    7. Three-dimensional ultrastructural analysis of human skin with the arrector pili muscle interacting with the hair follicle epithelium Scientific Reports · 2025 · 1 citations
    8. Curly Hair Follicle is Sculpted by a Contracted Arrector Pili Muscle. A Hypothesis with Treatment Implications Indian Journal of Pharmaceutical Sciences · 2024
    9. Curly Hair Follicle is Sculpted by a Contracted Arrector Pili Muscle. A Hypothesis with Treatment Implications Indian Journal of Pharmaceutical Sciences · 2024
    10. 1334 Beyond goosebumps: Interactions between the hair follicle, the arrector pili muscle, and the sympathetic nerve during development and hair follicle regeneration Journal of Investigative Dermatology · 2018
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    Community 1

    1. progress has been insane, been having a bad shed for about a month or 2, can anyone explain? Reddit · 6 Aug 2024

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