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Latin -iasis, pathological condition or process; from Greek ἴασις (íasis), cure, repair, mend mydriasis: iatr(o)-of or pertaining to medicine or a physician (uncommon as a prefix but common as a suffix; see -iatry) Greek ἰατρός (iatrós), healer, physician iatrochemistry, iatrogenesis-iatry
The skin weighs an average of four kilograms, covers an area of two square metres, and is made of three distinct layers: the epidermis, dermis, and subcutaneous tissue. [1] 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. [3]
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4] [5] These areas are red, pink, or purple, dry, itchy, and scaly.[8] [3] Psoriasis varies in severity from small localized patches to complete body coverage. [3]
Ichthyosis comes from Greek ἰχθύς (ichthys) 'fish', since dry, scaly skin is the defining feature of all forms of ichthyosis. [ 4 ] The severity of symptoms can vary enormously, from the mildest, most common, types such as ichthyosis vulgaris , which may be mistaken for normal dry skin, up to life-threatening conditions such as harlequin ...
The suffix -itis means inflammation, and the entire word conveys the meaning inflammation of the kidney. To continue using these terms, other combinations will be presented for the purpose of examples: The term supra-renal is a combination of the prefix supra- (meaning "above"), and the word root for kidney, and the entire word means "situated ...
Pilonidal means 'nest of hair' and is derived from the Latin words for 'hair' (pilus) and 'nest' (nidus). [5] The condition was first described by Herbert Mayo in 1833. [28] R. M. Hodges was the first to use the phrase pilonidal cyst to describe the condition in 1880. [29] [30] The condition was widespread in the United States Army during World ...
The word is derived from the Ancient Greek χηλή, chele, meaning "crab pincers", and the suffix -oid, meaning "like". In the 19th century it was known as the "Keloid of Alibert" as opposed to "Addison’s keloid" ( Morphea ).
Dermatomyositis (DM) is a long-term inflammatory disorder which affects the skin and the muscles. [1] Its symptoms are generally a skin rash and worsening muscle weakness over time. [1] These may occur suddenly or develop over months. [1] Other symptoms may include weight loss, fever, lung inflammation, or light sensitivity. [1]