ARRHYTHMIC, ARRYTHMOUS

adj's.?'mi2k, -mu . Gr., éppvôpos. Lat., arrhythmus, arrhythmic us, Fr., ar. rhythme, arrhythmique. Ger., arrhythmisch. Lacking in rhythm or regularity. © [L, 50.] ARRIÉRÉ (Fr.), adj, ASr-ri2-a-ra, Stunted; backward in growth or development, physical or mental. [A, 385.] ARRIÈRE-BOUCHE (Fr.),n. A®r-ri?-e2r-bush. See ARRIÈRE- GORGE, ARRIÈRE-CAVITÉ (Fr), n. Aösr-rit-e?r-ka®-ve-ta. A posterior cavity.—A.-e. des épiploons. See A.-c. périt onéale —A. des fo es nasales. The superior maxillary, sphenoidal, frontal, and ethmoidal sinuses. [A, B85. |—A.-c. périt onéale. A fold of the per it onæum at the level of the bile-ducts, between the Portal vein in front and the vena cava behind. [A. 385.]