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Ichthyosis. Ichthyosis is characterized by generalised, scaly skin. Ichthyosis (also named fish scale disease) [1] is a family of genetic skin disorders characterized by dry, thickened, scaly skin. [2] The more than 20 types of ichthyosis range in severity of symptoms, outward appearance, underlying genetic cause and mode of inheritance (e.g ...
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
List of radiographic findings associated with cutaneous conditions; List of cutaneous conditions caused by mutations in keratins; List of contact allergens; List of histologic stains that aid in diagnosis of cutaneous conditions; List of target antigens in pemphigus; List of specialized glands within the human integumentary system
The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. Within the latter type, the hairs occur in structures called pilosebaceous units , each with hair follicle , sebaceous gland , and associated arrector pili muscle. [4]
Darier's disease (DD) is a rare, genetic skin disorder. It is an autosomal dominant disorder, that is, if one parent has DD, there is a 50% chance than a child will inherit DD. It was first reported by French dermatologist Ferdinand-Jean Darier in 1889. Mild forms of the disease are the most common, consisting of skin rashes that flare up under ...
Genodermatosis. A patient with Clouston's hidrotic ectodermal dysplasia, one of the rare genodermatosis. Genodermatosis is a hereditary skin disease with three inherited modes including single gene inheritance, multiple gene inheritance and chromosome inheritance. [1] There are many different types of genodermatosis, the prevalence of ...
Cutaneous conditions caused by mutations in keratin proteins. Defective keratin type. Condition (s) 1. Epidermolytic hyperkeratosis. Ichthyosis hystrix of Curth–Macklin. Diffuse nonepidermolytic palmoplantar keratoderma (Unna–Thost keratoderma) Diffuse epidermolytic palmoplantar keratoderma (Vörner keratoderma) 2 (2e)
The skin lesions that follow Blaschko's lines are varied. They include genetic, congenital and acquired (i.e., non-genetic) conditions. Examples include: Pigmentary disorders Nevus achromicus (including incontinentia pigmenti achromians, also known as hypomelanosis of Ito) Epidermal nevus. Nevus sebaceus; Inflammatory linear verrucous epidermal ...