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Related Concept Videos

Accessory Structures of the Skin: Sebaceous Glands01:21

Accessory Structures of the Skin: Sebaceous Glands

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A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...
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Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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Accessory Structures of the Skin: Sweat Glands01:20

Accessory Structures of the Skin: Sweat Glands

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Sweat glands or sudoriferous glands are one of the important accessory structures of the skin. They are small, coiled tubular structures located in the dermis, the middle layer of the skin. Sweat glands are responsible for producing and secreting sweat, a watery fluid that helps regulate body temperature and excrete waste products.
Sweat glands are classified as merocrine glands; that is, the secretions are excreted by exocytosis through a duct without affecting the cells of the gland. There...
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Papillary Dermis01:11

Papillary Dermis

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Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen...
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Reticular Dermis01:15

Reticular Dermis

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The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
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Skin Cancer01:30

Skin Cancer

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
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Related Experiment Video

Updated: Mar 7, 2026

Author Spotlight: Development and Evaluation of a Compound Acne Rodent Model Using C. acnes and Oleic Acid
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Author Spotlight: Development and Evaluation of a Compound Acne Rodent Model Using C. acnes and Oleic Acid

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Acne Vulgaris.

Ashok Ghorpade, B S N Reddy

    Indian Journal of Dermatology, Venereology and Leprology
    |February 15, 2017
    PubMed
    Summary
    This summary is machine-generated.

    Acne vulgaris, a common skin condition, causes significant distress. This review covers its causes, features, and current management strategies for better treatment outcomes.

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    The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
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    Area of Science:

    • Dermatology
    • Medical Science

    Background:

    • Acne vulgaris is a prevalent skin condition affecting adolescents.
    • It leads to emotional distress, social embarrassment, and cosmetic disfigurement.

    Purpose of the Study:

    • To review the multifactorial etiology and pathogenesis of acne vulgaris.
    • To discuss the clinical features and comedo formation mechanism.
    • To critically evaluate recent management concepts for acne vulgaris.

    Main Methods:

    • Literature review of acne vulgaris etiology, pathogenesis, and clinical presentation.
    • Discussion of comedo formation.
    • Critical analysis of current therapeutic approaches.

    Main Results:

    • Acne vulgaris has a complex multifactorial origin.
    • Understanding pathogenesis is key to effective management.
    • Recent therapeutic strategies offer improved treatment options.

    Conclusions:

    • Acne vulgaris requires a comprehensive understanding of its etiology and pathogenesis.
    • Effective management involves critically reviewing and applying recent therapeutic advancements.
    • Addressing the psychological impact is crucial for holistic patient care.