CURVE

n. Ku5rv. (From Lat., curvus.) A bend, a flexure. Gr.,KvpTia^a. Lat., curvatura. Fr., cour be. Ger.,C., Krummung. It., curvatura. Sp., corbaduru. A bend; in graphic delineations, the general course of a line formed by a number of straight lines extending between adjacent registry points. Aortic c. Fr.. courbure aortique. See ARCH of Me oor to. Bauchc' (Ger.). A graphic c. exhibiting the respiratory movements of the abdomen, p' Arch, f. Anat. u. Phys.," 1878, p. 441 (L).] Brustc'. A graphic c. exhibiting the movements of the chest in respiration. [' Arch. f. Anat. u. Phys.," 1878, p. 447 (L).] Carus's c. See C. of Cams. Caudal c. Of the embryo, see Caudal FLEXURE. Cephalic c. Fr., courbure cephalique. Ger., Kopfkrummung. 1. Of the embryo, see Cephalic FLEXURE. 2. Of an obstetrical forceps, the c. of that portion of each blade that is applied to the foetal head. Compensatory c. See Compensatory CURVATURE. C.-basis. In a sphygmographic tracing, the common level from which the ascending lines spring. [D, 1.] C. of Carus. The arc of an imaginary circle having its centre at the symphysis pubis and extending in the median line of the pelvis in women, from the plane of the inlet to that of the outlet; corresponding roughly with the pelvic axis. C. of the false promontory. Fr., cour be du faux promuntoire. A term proposed by R. Barnes for c. which the foetal head has to describe in order to enter the pelvis in cases in which the sacro-vertebral angle is unusually prominent. [A, 40.] C'nzeichnuiig (Ger.). See Graphic c. Ermiidungs-C. (Ger.). The graphic c. registered during the contraction of a muscle when in a state of exhaustion; as the exhaustion becomes extreme this c. approaches a straight line. [K, 16.] Front c. See Skull c. Graphic c. Fr., cour be graph i que. Ger., graph is che C., C'nzeichnung. The course formed on a graphic chart by a line made up of a number of straight lines pa ing between the contiguous points registered; also the undulating line registered by the needle of the sphygmograph or other like instrument on a moving plate. Hi iid c. Ger.,hintere Kopfkrummung, Nackenkrummung. A curvature of the body of the embryo between about the fourth and eighth weeks of development, opposite the beginning of the spinal cord. [L, 146.] Pelvic c. Fr., courbure pelvienne (ou nouvelle). Ger., Beckenkriimrnung. Of an obstetrical forceps, the c. formed by the anterior deviation of the blades from the axis of the shank, the instrument being in position with the blades corresponding to the mother's right and left side. Perineal c. Fr., courbure per in eale. Ger., Dammkriimmung. Of an obstetrical forceps, a c. formed by the backward deviation of the handles from the axis of the shank. Skull c. See Principal cephalic FLEXURE. Tail c. Ger., Schwanzkriimmung. The curvature of the caudal extremity of the embryo between the fourth and seventh weeks of development. [L, 146.] Temperature c. A graphic c. exhibiting the variations of the temperature during a given period. [L.] CURVEMBRY^ (Lat.), n. f. pi. Ku6r(ku4r)-ve2m(wem)'bri2- (bru6)-e(a3-e2). For deriv., see CURVE and EMBRYO. Fr., curvembryees. 1. Of Brongniart, a suborder of leguminous plants, comprising the tribes Sophorece, Dalbergiece, and Intricoe. 2. Of Lindley, a cohort of the Incompletce, comprising the alliances Chenopod a les, Polygon a les, Petivales, Sclera les, and Cocculales. 3. Of Miers, the Solanacece, and of Lindley a division of that order. Subsequently he cla ified the C. as a division of the Solanacece, comprising Micrembergia, Petunia, etc. [B, 121, 170 (a, 24).] [s. 475]