herpes simplex

herpes simplex
herpes sim·plex -'sim-.pleks n either of two viral diseases caused by herpesviruses of the genus Simplexvirus that are marked esp. by watery blisters on the skin or mucous membranes of the lips, mouth, face, or genital region see hsv-1, hsv-2

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a group of acute infections caused by human herpesviruses 1 and 2, characterized by small fluid-filled vesicles on the skin or a mucous membrane with a raised erythematous base; it may be a primary infection or recurrent because of reactivation of a latent infection. Type 1 herpesvirus infections usually involve nongenital regions of the body, whereas type 2 infections are primarily on the genitals and surrounding areas, although there is overlap between the two types. Precipitating factors include fever, exposure to cold temperature or ultraviolet rays, sunburn, cutaneous or mucosal abrasions, emotional stress, and nerve injury.

Herpes simplex, characterized by grouped epidermal vesicles and dermal erythema.


Medical dictionary. 2011.

Look at other dictionaries:

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  • herpes simplex — [sim′pleks΄] n. a recurrent, incurable form of herpes usually affecting the mouth, lips, or face (type one) or the genitals (type two): the genital type is a venereal disease …   English World dictionary

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  • herpes simplex — /sim pleks/ either of two herpes diseases caused by a herpesvirus that infects humans and some other animals and produces small, transient blisters on the skin or mucous membranes, one type of virus (herpes simplex virus type 1, or HSV 1) usually …   Universalium

  • herpes simplex — noun 1. an infection caused by the herpes simplex virus; affects the skin and nervous system; produces small temporary (but sometimes painful) blisters on the skin and mucous membranes • Hypernyms: ↑herpes • Hyponyms: ↑oral herpes, ↑herpes… …   Useful english dictionary

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