Hair Follicle - Search
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  1. Hair follicle
    Hair follicleOrgan found in mammalian skin
    FunctionAnatomyFactsDiseasesGrowth factorsTransplantTypesStem cells
     
  2. Wikipedia
    https://en.wikipedia.org/wiki/Hair_follicle

    Hair follicle - Wikipedia

    • The hair follicle is an organ found in mammalian skin. It resides in the dermal layer of the skin and is made up of 20 different cell types, each with distinct functions. The hair follicle regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells. This complex interaction induces the hair follicle to produce different type… See more

    Structure

    The position and distribution of hair follicles varies over the body. For example, the skin of the palms and soles does not … See more

    SystemIntegumentary system
    ArterySupratrochlear, supraorbital, superficial temporal, occipital
    VeinSuperficial temporal, posterior auricular, occipital
    NerveSupratrochlear, supraorbital, greater occipital, lesser occipital
    Hair growth

    Hair grows in cycles of various phases: anagen is the growth phase; catagen is the involuting or regressing phase; and telogen, the resting or quiescent phase (names derived using the Greek prefixes ana-, kata-, and t… See more

    Clinical significance

    There are many human diseases in which abnormalities in hair appearance, texture or growth are early signs of local disease of the hair follicle or systemic illness. Well known diseases of the hair follicle include alopecia or … See more

    Hair Follicle: Function, Anatomy, and Conditions - Healthline
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    Hair follicle: anatomy and function - Kenhub
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    Wikipedia text under CC-BY-SA license
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  1. A hair follicle is a tube-like structure in the skin that surrounds and produces hair12345. It is located deep in the dermis of the skin and consists of two main layers, an inner root sheath and an outer root sheath3. The hair follicle also contains sebaceous glands that secrete oil to condition the hair4, and cells that create new hair by packing old cells together45. The hair grows out of the skin and reaches the surface as more cells are formed12.
    Learn more:
    A hair follicle is a tunnel-shaped structure in the epidermis (outer layer) of the skin. Hair starts growing at the bottom of a hair follicle. The root of the hair is made up of protein cells and is nourished by blood from nearby blood vessels. As more cells are created, the hair grows out of the skin and reaches the surface.

    Hair Follicle: Function, Anatomy, and Co…

    www.healthline.com/health/hair-follicle
    A hair follicle is a tube-like structure (pore) that surrounds the root and strand of a hair. Hair follicles exist in the top two layers of your skin. You’re born with over 5 million hair follicles in your body and over one million hair follicles on your head. As you age, hair grows out of your hair follicles.

    Hair Follicle: Function, Structure & Asso…

    my.clevelandclinic.org/health/body/23435-hair-follicle
    The hair follicle is a skin appendage located deep in the dermis of the skin. Its function is to produce hair and enclose the hair shaft. A hair follicle consists of two main layers, an inner (epithelial) root sheath and an outer (fibrous) root sheath.

    Hair follicle: anatomy and function | Ken…

    www.kenhub.com/en/library/anatomy/hair-follicle
    A hair follicle is a part of the skin, which grows a hair by packing old cells together. Attached inside the top of the follicle are sebaceous glands, which are tiny sebum -producing glands in almost all skin except on the palms, lips and soles of the feet. The thicker the hair, the more the number of sebaceous glands there are.

    Hair follicle - Simple English Wikipedia, t…

    simple.wikipedia.org/wiki/Hair_follicle
    The hair follicle is the stocking-like structure under the skin where your hair is formed. The follicle contains sheaths that mold the hair, oil glands that condition hair, and cells that produce new hair.

    The Biology, Structure, and Function of …

    www.verywellhealth.com/the-biology-of-hair-1068785
     
  2. People also ask
    What is a hair follicle?
    Hair follicles are structures within your skin that grow your hair. You’re born with millions of hair follicles in your skin. You can’t pull out hair follicles. Damaged hair follicles lead to hair loss or reduced hair growth. A hair follicle is a tube-like structure within your skin that produces a strand of hair.

    Hair Follicle: Function, Structure & Associated Conditions

    my.clevelandclinic.org
    What causes folliculitis?

    Dr. Howard E. LeWine

    M.D. Chief Medical Editor, Harvard Health Publishing · 40 years of exp

    Folliculitis is the medical term for inflamed hair follicles. Most often the inflammation is due to a bacterial infection. However, other germs can cause folliculitis and sometimes the cause is inflammation without a specific infection. Treatment depends on identifying the underlying cause. For mild cases, daily or twice daily gentle washing with an antibacterial soap me enough. If that is not helping, your doctor may prescribe a topical prescription medication.
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    What is the function of the hair follicle?
    The hair follicle is an organ found in mammalian skin. [ 1 ] It resides in the dermal layer of the skin and is made up of 20 different cell types, each with distinct functions. The hair follicle regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells. [ 1 ]

    Hair follicle - Wikipedia

    en.wikipedia.org
    Where do hair follicles come from?
    Hair follicles originate in the first and second layers of your skin (epidermis and dermis). Follicles holding your terminal hair, or the hair that grows on your scalp, eyelashes and eyebrows, extend into the first and second layer of your skin and sometimes into the third layer (subcutaneous tissue). What does a hair follicle look like?

    Hair Follicle: Function, Structure & Associated Conditions

    my.clevelandclinic.org
    How does a hair follicle grow?
    The hair bulb and inner epithelial layer generates hair. More specifically, the hair matrix keratinocytes proliferate to form the growing hair shaft while the dermal papilla regulates the hair’s growth and the inner root sheath provides a tube shaped channel for the hair. The outer fibrous layer surrounds the hair follicle.

    Hair follicle: anatomy and function - Kenhub

    kenhub.com
    Is hair a living follicle?
    Hair comprises living and non-living components above and below the epidermis level. Above the epidermis, the hair shaft is a thin, flexible cylinder of non-living, keratinized epithelial cells. Below the epidermis, it is part of a living hair follicle that enlarges at the base and forms the hair bulb.

    Physiology, Hair - StatPearls - NCBI Bookshelf

    ncbi.nlm.nih.gov
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  3. Cleveland Clinic
    https://my.clevelandclinic.org/health/body/23435

    Hair Follicle: Function, Structure & Associated Conditions

     
  4. Healthline
    https://www.healthline.com/health/hair …

    Hair Follicle: Function, Anatomy, and Conditions

    Sep 25, 2023 · A hair follicle is a tunnel-shaped structure in the epidermis (outer layer) of the skin. Hair starts growing at the bottom of a hair follicle. The root of the hair is made up of protein cells and is nourished by blood from …

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    Hair Growth
    Hair Follicle Anatomy
    Hair Care
    Structure of Hair Follicle

  5. Interesting reads - Hair Follicle

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  6. Kenhub
    https://www.kenhub.com/en/library/anatomy/hair-follicle

    Hair follicle: anatomy and function - Kenhub

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    Hair Follicle Anatomy
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    Function of Hair Follicle
    Content Manager
  7. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/books/NBK470321

    Anatomy, Hair Follicle - StatPearls - NCBI Bookshelf

    Jun 22, 2024 · Follicles that produce terminal hairs extend into the deep dermis and, sometimes, even the subcutis. Meanwhile, follicles producing vellus hairs extend only to the upper reticular dermis. Three essential segments of hair …

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    Hair Follicles
    Hair Follicle Anatomy
    NCBI Bookshelf
    Publish Year:2019
  8. Verywell Health
    https://www.verywellhealth.com/hair-fol…

    The Structure and Growth Cycle of Hair Follicles

    Aug 14, 2022 · A hair follicle is a stocking-like structure that contains cells and connective tissue and surrounds the root of a hair. It exists within the dermis and the epidermis, the two top layers of the skin. For a helpful visual, …

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    Hair Growth
    Layers of Hair
    Structure of Hair Follicle
  9. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/books/NBK532929

    Histology, Hair and Follicle - StatPearls - NCBI Bookshelf

    May 1, 2023 · Hair follicles and their keratinized product, hair, are skin appendages present on nearly every part of the body. Areas of the body typically devoid of hair include the palmar and plantar surfaces, lips, and …

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    Hair Follicles
    NCBI Bookshelf
    Thomas M. Brown, Karthik Krishnamurthy
  10. Elsevier
    https://www.elsevier.com/.../hair-follicle…

    Hair Follicle | Complete Anatomy - Elsevier

    The hair follicle consists of a hair shaft and bulb. It is a down growth of the epidermis, with its long axis usually traveling obliquely through the skin layers. The hair follicle can extend as far as the hypodermis; however, it can also be …

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    Hair Growth
    Hair Follicle Anatomy
    Layers of Hair
  11. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/books/NBK499948

    Physiology, Hair - StatPearls - NCBI Bookshelf

    Jul 30, 2023 · Each strand of hair is made up of two separate structures. The first is the hair shaft, which comprises the visible part outside the skin, and the second is the hair follicle, which lies underneath the skin's surface. Additionally, the …

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    NCBI Bookshelf
    Hair Follicle
    Published:2023/07/30
  12. nih.gov
    https://pmc.ncbi.nlm.nih.gov/articles/PMC9133560

    Morphogenesis, Growth Cycle and Molecular Regulation of Hair …

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    Hair Growth
    Structure of Hair Follicle
    Skin and Hair Structure
  13. Nature
    https://www.nature.com/articles/s41580-023-00662-3

    Local and systemic mechanisms that control the hair follicle

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    Hair Follicles
    Nature Reviews Molecular Cell Biology
  14. Nature
    https://www.nature.com/articles/s41392-020-00441-y

    Functional hair follicle regeneration: an updated review

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    Hair Follicle Regeneration
    Functional Hair
    Functional Follicle
  15. nih.gov
    https://pmc.ncbi.nlm.nih.gov/articles/PMC5905671

    The Hair Follicle: An Underutilized Source of Cells and Materials …

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    Programmable metallization cell
    Source UK Services
  16. Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/...

    Folliculitis - Symptoms & causes - Mayo Clinic

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    Mayo Clinic
  17. nih.gov
    https://pmc.ncbi.nlm.nih.gov/articles/PMC5928870

    Androgens trigger different growth responses in genetically …

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    Organ culture
  18. ScienceDirect
    https://www.sciencedirect.com/science/article/pii/S2950575524000078

    The biology and molecular regulation of MeSCs in hair follicles …

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    Hair Follicles
    Hair Follicle Stem Cells
    Hair Follicle Regeneration
  19. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/books/NBK513312

    Anatomy, Hair - StatPearls - NCBI Bookshelf

    Aug 14, 2023 · Hair follicles cycle through three primary phases: anagen, catagen and telogen phases. The anagen or growth phase lasts 2 to 6 years, during which primary hair growth occurs. At any given time, somewhere …

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    Hair Follicle Anatomy
    Layers of Hair
    Hair Care
    NCBI Bookshelf
  20. Medical News Today
    https://www.medicalnewstoday.com/articles/325013

    What to know about hair follicle drug tests - Medical News Today

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  21. Alodia Hair Care
    https://alodiahaircare.com/products/flourishing-follicles-oil-serum

    Flourishing Follicles Oil Serum | Alodia Hair Care

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    Hair Care
  22. bavariatraveltips.com
    https://bavariatraveltips.com/fairytale-bavarian-villages

    10 Medieval Bavarian Villages Straight Out Of A Fairytale

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  23. National Center for Biotechnology Information
    https://www.ncbi.nlm.nih.gov/books/NBK546248

    In brief: What is the structure of hair and how does it grow?

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    Hair Growth
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    Arrector Pili Muscle
  24. Tripadvisor
    https://www.tripadvisor.com/ShowTopic-g187310-i...

    Hair Cut in Nuremberg - Nuremberg Forum - Tripadvisor

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  25. Quizlet
    https://quizlet.com/507133463/intl-studies-section...

    intl studies section 9 and 10 Flashcards - Quizlet

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  26. Old World Accents
    https://oldworldaccents.net/shop-by-brand/eggl-of...

    German Wax and Nuremberg Angels - Old World Accents

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