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    Glossary Infundibulum

    funnel-shaped upper part of a hair follicle

    The infundibulum is the funnel-shaped upper part of a hair follicle, located just below the opening of the follicle at the skin's surface. It plays a crucial role in guiding the hair shaft as it grows and emerges from the skin, and it also serves as a pathway for sebum and other substances to reach the skin's surface.

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    Research 10 of 1000+

    1. Upregulation of interfollicular epidermal and hair infundibulum β-catenin expression in Gsdma3 mutant mice Acta histochemica · 2012 · 11 citations
    2. THE PRESENCE OF ANTIOXIDANTS IN THE HAIR INFUNDIBULUM IMPLICATIONS IN HAIR DISEASES SUCH AS ALOPECIA International Journal of Research -GRANTHAALAYAH · 2022
    3. Pilomatricoma can differentiate not only towards hair matrix and hair cortex, but also follicular infundibulum, outer root sheath and hair bulge Experimental Dermatology · 2009 · 18 citations
    4. Deciphering the functions of the hair follicle infundibulum in skin physiology and disease Cell and Tissue Research · 2014 · 38 citations
    5. Early stage alopecia areata is associated with inflammation in the upper dermis and damage to the hair follicle infundibulum Australasian Journal of Dermatology · 2013 · 22 citations
    6. Pulling force deforms hair follicle root sheath nuclei and surrounding dermal collagen matrix differently at infundibulum, isthmus and suprabulbar regions Experimental Dermatology · 2019 · 2 citations
    7. 584 Dandruff is associated with perturbations of hair follicle immune privilege, and the infundibular and epidermal immune microenvironment Journal of Investigative Dermatology · 2022
    8. Seborrheic karatosis, a tumor of the infundibular and isthmus of hair follicles: Identification of hair sheath keratins and histopathological features suggesting hair follicle origin. The Nishinihon Journal of Dermatology · 1989 · 2 citations
    9. Single‐Cell Analysis of Late‐Stage Wound‐Induced Hair Follicle Neogenesis Reveals Keratinocyte Heterogeneity and Enrichment of Infundibular Basal Keratinocytes Experimental Dermatology · 2026
    10. Human hair follicle: reservoir function and selective targeting British Journal of Dermatology · 2011 · 97 citations
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    Community 10 of 1000+

    1. Fibrosing alopecia in a pattern distribution Reddit · 22 Mar 2024
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    6. Anyone had a full head of hair but slight thinning at top front first noticed at age 36 that didn’t get worse with age? Reddit · 27 Sept 2026
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