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Accessory Structures of the Skin: Hair and Hair Follicles01:16

Accessory Structures of the Skin: Hair and Hair Follicles

Hair and hair follicles are integral components of the integumentary system. Hair is a filamentous structure composed mainly of a protein called keratin. It is found on the surface of the skin throughout the body, except for areas such as the palms of the hands and soles of the feet.
Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Hair strands originate at the epidermal penetration called the hair follicle. The hair shaft is the part...
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Related Experiment Video

Updated: Jul 11, 2026

Rapid Genetic Analysis of Epithelial-Mesenchymal Signaling During Hair Regeneration
10:09

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Published on: February 28, 2013

Minoxidil.

S L Linas, A S Nies

    Annals of Internal Medicine
    |January 1, 1981
    PubMed
    Summary

    Minoxidil effectively treats severe hypertension in over 80% of patients resistant to other drugs. While it has side effects, it

    Area of Science:

    • Cardiovascular Medicine
    • Pharmacology

    Background:

    • Severe hypertension poses significant health risks.
    • Conventional antihypertensive therapies are sometimes insufficient.

    Purpose of the Study:

    • To evaluate the efficacy and safety of minoxidil as an antihypertensive agent.
    • To identify patient populations that may benefit from minoxidil treatment.

    Main Methods:

    • Oral administration of minoxidil in combination with diuretics and beta-adrenergic blockers.
    • Clinical assessment of blood pressure control in patients with inadequately controlled hypertension.

    Main Results:

    • Minoxidil achieved effective blood pressure control in over 80% of patients.
    • Major adverse reactions included adrenergic activation, sodium retention, and hypertrichosis.

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    Conclusions:

    • Minoxidil is a valuable therapeutic option for severe, refractory hypertension.
    • It is indicated for patients unresponsive to conventional therapy or with adverse reactions to other drugs.