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Related Concept Videos

Skin Diseases and Disorders01:23

Skin Diseases and Disorders

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...
Disorders of Leukocytes01:27

Disorders of Leukocytes

Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune system...
Accessory Structures of the Skin: Hair Growth and Types01:20

Accessory Structures of the Skin: Hair Growth and Types

Hair growth begins with the production of keratinocytes by the basal cells of the hair bulb. As new cells are deposited at the hair bulb, the hair shaft is pushed through the follicle toward the surface. Keratinization is completed as the cells are pushed to the skin surface to form the shaft of hair that is externally visible. The external hair is completely dead and composed entirely of keratin. Hair can be cut or shaven without damaging the hair structure because the cut is superficial. Most...
Adrenal Gland Disorders01:27

Adrenal Gland Disorders

Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Sex Linked Disorders01:43

Sex Linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.

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A New Technique for Quantitative Analysis of Hair Loss in Mice Using Grayscale Analysis
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Published on: March 9, 2015

Common hair disorders.

W P Unger

    Canadian Family Physician Medecin De Famille Canadien
    |May 15, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Family practitioners commonly encounter four hair conditions: seborrheic dermatitis, physiologic alopecia, telogen effluvium, and alopecia areata. This article reviews their clinical findings and treatment approaches.

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    Area of Science:

    • Dermatology
    • Trichology

    Background:

    • Common hair conditions pose diagnostic and management challenges in primary care.
    • Seborrheic dermatitis, physiologic alopecia, telogen effluvium, and alopecia areata are frequently observed.

    Purpose of the Study:

    • To summarize the clinical presentations of four common hair disorders.
    • To provide evidence-based treatment recommendations for family practitioners.

    Main Methods:

    • Review of clinical findings for seborrheic dermatitis.
    • Summary of diagnostic criteria for physiologic alopecia.
    • Overview of telogen effluvium presentation.
    • Description of alopecia areata characteristics.

    Main Results:

    • Detailed clinical findings for each of the four hair conditions are presented.
    • Treatment modalities are suggested for each disorder.

    Conclusions:

    • Accurate diagnosis of these common hair conditions is crucial for effective management.
    • Family practitioners can effectively manage these conditions with appropriate knowledge and treatment strategies.