CHOREA

(Lat.), n. f. Kor(ch2o2r)-e(a)'a3. From xopeia, a dance. Fr., choree, danse de Saint-Guy (ou de Saint-Wit), petite danse de Saint-Guy. Ger., C., VeiManz. It., core a. Sp., core a, mat de San Vito. Syn.: epilepsia salt at or i a, St. Vitus's dance. As loosely applied, any form of disordered and involuntary muscular movement. [L, 20.] 2. Properly, a disease having mental, motor, and sensory symptoms, thought by Hammond to be due sometimes to a spinal and at other times to a cerebral lesion, but by H. Jackson to arise, like epilepsy, from discharging cortical lesions of the cerebrum. It appears almost exclusively between the ages of six and fifteen, and is characterized by disordered cerebral action, involuntary muscular twitchings (sometimes violent contractions), and slight mortality (recovery often occurring in three months). [D, 34.] Acute c. Fr., choree aigue. A c. in which the symptoms are aggravated. [L, 313.] Angeborene C. (Ger.). Congenital c. [a, 18.] Ante-hemiplegic c. See Proemiplegic c. Bilateral c. [Bastian]. C. due to cerebral lesions, such as embolism of the corpora striata, in which choreic symptoms are developed on both sides of the body. [" Brit. Med. Jour.," Jan. 30, 1869, p. 96 (D, 34).] C. adultorum. Fr., choree des adultes. Ger., C. der Erwachsenen. C. occurring in adults. [A. Eulenburg (A, 319).] C. Anglornm. See C. minor. C. cardiac a. See C. cord is.C. clironica progre iva. Of Hoffmann, the form of c. otherwise known as hereditary c. (g. v.); so called because epilepsy and not c. has sometimes represented the ancestral disorder, and because such a c. has been seen to pa into epilepsy. [" Arch, f. path. Anat. u. Physiol. u. f. klin. Med.," cxi, 3, p. 513 (a, 17).] C. cir cum rotator i a. See Rotatory c. C. clonus. See C. (2d def.). C. cord is. A form of c. in which the action of the heart is disordered, as evidenced by palpitation and an exaggerated impulse. [A. Eulenburg (A, 319).] C.-demonomania. See Epidemic c. C. der Kinder (Ger.). See C. minor. C. der Erwachsenen (Ger.). See C. adultorum. C. der Greise (Ger.). See C. senilis. C. diagphragmatica. See Diagphragmatic c. C. dimidiata. See HEMIC HORE A. C. electric a. See Electric c.C. festinans. 1. See C. procursiva. 2. See PARALYSIS agitans. C. Germanorum. See C. magna. C. gesticulator i a. See C. (2d def.). C. gravid arum. Fr., choree des femmes enceintes (ou gravid i que). Ger.. C. der Schwangeren. Sp., core a de la prenez. A form of c. which attacks pregnant women, and is apt to prove intractable so long as the pregnancy continues; toward its close it is sometimes aggravated and accompanied with fever. [A. Eulenburg (A, 319).] C. her edit aria. See Hereditary c. C. hysteriea. Fr., choree hyxterique. Ger., hysterische C. A form of c. in which, according to Trou eau, the movements are of hysterical origin (but according to Henoch are due in some cases to a cerebral implication). [Henoch, " Arch, f. Kinder he ilk.," v, pp. 7, 8(D).] C. laryngea, C. laryngis. See Laryngeal c.C. magna, C. magna Germanorum, C. major. A form of real or simulated c. characterized by convulsive movements that sometimes appear to a certain extent suited to a definite purpose, but are generally grotesque and alarming, and occur either in hysterical subjects or as the manifestation of a psychosis or some cerebral disease. [Von Ziem en (A, 326).] C. minor. It., corf a minore. Syn.: bnllismus. The ordinary mild form of c. [A. Eulenburg (A, 319).] C. netiralgica. See Convulsive TIC. C. nutans. C. with nodding movements. [A, E, he; E2, ell: G, go; I, die; I", in; IV, in; N*. lanfe: [s. 258]