seborrhea (redirected from idiopathic seborrhea, primary seborrhea)

seborrhea /seb·or·rhea/ (seb″o-re´ah)

1. excessive secretion of sebum.

2. seborrheic dermatitis.seborrhe´alseborrhe´ic

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seborrhea sic´ca  dry, scaly seborrheic dermatitis.

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seb·or·rhe·a or seb·or·rhoe·a (sb-r)

n.

Overactivity of the sebaceous glands characterized by excessive secretion of sebum or an alteration in its quality, resulting in an oily coating, crusts, or scales on the skin.

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seborrhea

[seb′ərē′ə]

Etymology: L, sebum + Gk, rhoia, flow

any of several common skin conditions in which an overproduction of sebum results in excessive oiliness or scaling. Also spelled seborrhoea. See also seborrheic blepharitis, seborrheic dermatitis. seborrheic, adj.

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seborrhea [seb″o-re´ah]

excessive discharge from the sebaceous glands, forming greasy scales or cheesy plugs on the body; it is generally attended with itching or burning.

seborrhea sic´ca dry, scaly, seborrheic dermatitis.

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seborrhea (seb´rē´),

n the skin conditions in which an overproduction of sebum results in excessive oiliness or dry scales.

seborrhea capitis,

n seborrhea of the scalp often seen in infants. Also called
cradle cap.

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seborrhea

an abnormal secretion from the sebaceous glands, often associated with abnormalities of keratinization. The clinical features vary from dandruff to the formation of greasy scales and crusts with accompanying inflammation. See also flexural seborrhea, ear margin dermatosis.

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congenital seborrhea

occurs in several dog breeds as scaling skin at birth and progressively worsening seborrhea oleosa with advancing age. Called also dirty-puppy syndrome.

idiopathic seborrhea, primary seborrhea

that caused by endocrine- or lipid-related metabolic abnormalities; may have an inherited basis.

seborrhea oleosa

moist, oily seborrhea with the formation of yellow-brown crusts. See also exudative epidermitis.

primary seborrhea

an inherited disorder of keratinization recognized in several breeds, particularly Cocker spaniels, English springer spaniel, West Highland white terrier and Chinese shar pei. Clinical signs may appear at a young age and worsen with advancing age. There is often ceruminous otitis externa and secondary bacterial and Malassezia infections are common. Reported occasionally in Persian cats. In horses, it usually occurs as seborrhea of the mane and tail, rarely as a generalized disease.

secondary seborrhea

that associated with a wide variety of unrelated diseases including parasitism, pyoderma, hypersensitivity reactions and autoimmune skin disease.

seborrhea sicca

dry, scaly seborrheic dermatitis.