PULSATION

n. Pu3ls-a'sh'n. Fr., p., battement. Ger., Aderschlag, Pulsiren, Klopfen, Schwankung. 1. A beating or throbbing. 2. A pulse-beat. Over-maximum p. Ger., iibermaximale Schwankung. The additional elevation attained by the contracting muscle curve, after it has reached the maximum and remained there for a short time. [K, 35.] Paradoxical p. Ger., Paradoxschwankung. A special secondary p. noticed both on opening and closing a galvanic current pa ed through the first nerve and muscle. [K, .] P. endopleurale (Fr.). See PULSUS endopleuricux.f. exopleurale (Fr.). See PULSHS exopleuricus. Secondary p. Ger., sekunddre Schwankung. The contraction observed in the muscle of a " muscle-nerve " preparation if its nerve is laid acro a second contracting muscle. [K, 35.] Staircase p. The pulsations of a frog's heart that has been filled with pure serum. Each contraction is a little more prolonged than the preceding one. [K, 19.] [s. 356]