tricrotic (trikrotik)

[ -ism.) The state of being tricrotic: used of the pulse. See cut under sphygmogram . tricrotous (trī krō-tus), a . [ τρεῖς ( τρι- ), three, + κρότος , stroke, beat.] Same as tricrotic . tri crural (tri-kröʻral), a. [L. tres ( tri- ), three, + crus ( crur- ), leg: see crural.] Having three branches or legs from a common center. The macrospores are marked on one hemisphere with a tri crural line. Le Maout and Decaisne , Botany (trans.), p. 915. tric-trac, n. See trick - track . tricuspid (trī-kus'pid), a . and n. [= F. tricus pide , L. tri cuspis ( tricuspid- ), having three points, tres ( tri- ), three, + cuspis , point: see cusp .] I. a. Having three cusps or points: specifically noting the valvular arrangement in the right ventricle of the heart, guarding the auriculoventricular orifice, in distinction from the bicuspid (or mitral) valves in the left ventricle. This valve consists of three segments, or there are three valves, of a triangular or trapezoidal shape, each formed by a fold of the lining membrane of the heart, and strengthened by a layer of fibrous ti ue which may also contain contractile fibers. See cut II. under heart . Tricuspid murmur, in pathol . , a murmur heard in tricuspid valvular disease. Tricuspid teeth. See tooth . - Tricuspid valvular disease, disease of the tricuspid valve. II. n. 1. A tricuspid valve of the heart.-2. A tricuspid tooth: correlated with bicuspid and multicuspid .