Alopecia

{al-o-pe’ -she-aJi) [a/.6-rj^, a fox]. Deficiency of hair; baldne . It may be universal or partial, congenital or acquired. It follows a large number of systemic aftections. A. adnata. See A., Congenital. A. are at a; Area cels i; Tinea decalvans; Porrigo decalvans; Alopecia cir cum script a; that condition in which suddenly or slowly one or several, usually asymmetrically distributed, patches of baldne appear upon the hairy regions of the body, more often upon the scalp and parts covered by the beard. A. cir cum script a. See A. are at a. A., Congenital, a rare form, seldom complete, due to absence of hair-bulbs. A. furfur ace a; Alopecia pityroides capillitii; Pityriasis capitis; Seborrkcea capillitii; Pityriasis simplex; Dandruff; a form of baldne a ociated with a disorder of the scalp, marked by hyperemia, itching, and exfoliation of dry or fatty scales from its surface. It may be acute or chronic, and produce a dryne , brittlene , and lack of luster in the hair. A. local is; A. neuritic a; that form occurring in one or more patches at the site of an injury, or in the course of a nerve. A. neuritic a. See A. local is. A. neurotic a, a name given to baldne of trop hon eur otic origin. A. orbicularis. Same as A. cir cum script a. A. pityroides capillitii. See A. furfur ace a. A. pityroides universal is, a rapid and general denudation of hair occurring in debilitated states, preceded by abundant desquamation of fatty scales. A. senilis, that occurring in old age. A. simplex, the idiopathic premature baldne of young adults. It is most common in males, and is often a ociated with premature grayne . A. syphilitic a, that due to syphilis. A. universal is, that in which there is a general fallinsr out of the hairs of the bodv. 46