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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
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., dominant, recessive, autosomal or X-linked). [3]
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 ...
Physical assessment at birth is vital for the initial diagnosis of harlequin ichthyosis. Physical examination reveals characteristic symptoms of the condition, especially the abnormalities in the skin surface of newborns. Abnormal findings in physical assessments usually result in employing other diagnostic tests to ascertain the diagnosis.
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] Within the latter type, the hairs occur in structures called pilosebaceous units , each with hair follicle , sebaceous gland , and associated arrector pili muscle. [ 4 ]
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]
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, nails, and related muscle and glands. [1] The major function of this system is as a barrier against the external environment. [2]
Injury to the skin can trigger psoriatic skin changes at that spot, which is known as the Koebner phenomenon. [10] The five main types of psoriasis are plaque, guttate, inverse, pustular, and erythrodermic. [5] Plaque psoriasis, also known as psoriasis vulgaris, makes up about 90% of cases. [4]