PATCH

n. Pa2ch. A spot or blotch more or le distinct from the surrounding parts of a surface in appearance or character, [a, 48.] Moth p. See CHLOASMA (1st def.). Mucous p. Lat., papula madidans (seu mucosa), aphthae venerece. Fr., plaque muqueuse (ou humide, ou syphilitique), papule muqueuse (ou suintante), syphilide papulo-erosive (ou papulo-muqueuse. ou papule use humide), tubercule muqueux (on plat). Ger., nd ende (oder feuchte) Papel (oder Schleirnpanel). Syn.: moist papule, mucous tubercle. A variety of syphilitic eruption having a moist, eroded surface, occurring most commonly on the mucous membrane of the mouth or external genitals, but also on the skin in situations where the surface is habitually subject to heat and moisture. It consists of a papule or tubercle over which the epithelium appears macerated, moist, of a whitish, grayish, or reddish color, and more or le eroded. [G.] Cf. CONDYLOMA laturn. Peyer's p'es. Ger., Peyer's che Plaques. See Peyer's GLANDS. [s. 223]