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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
Paresthesia, also known as pins and needles, is an abnormal sensation of the skin (tingling, pricking, chilling, burning, numbness) with no apparent physical cause. [1] Paresthesia may be transient or chronic, and may have many possible underlying causes. [ 1 ]
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 ...
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]
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]
Erythema (Ancient Greek: ἐρύθημα, from Greek erythros 'red') is redness of the skin or mucous membranes, caused by hyperemia (increased blood flow) in superficial capillaries. [1] It occurs with any skin injury, infection, or inflammation. Examples of erythema not associated with pathology include nervous blushes. [2]
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 ...
Lesions are often classified by their tissue types or locations. For example, a "skin lesion" or a "brain lesion" are named for the tissue where they are found.If there is an added significance to regions within the tissue—such as in neural injuries where different locations correspond to different neurological deficits—they are further classified by location.