chest

See thorax, barrel c. A peculiar shape of the c, observed in old cases of pulmonary emphysema, in which the c. becomes barrel-shaped and moves up and down as if made of one piece, instead of box.] expanding laterally. [Ang.-Sax., cest, a Cheyne-Stokes respiration. A condition in which the respirations increase in rapidity and intensity to a climax and then fall off to a complete ce ation, giving therefore a form of periodic respiration in which there are periods of apnea alternating with periods of dyspnea. [John Cheyne, Scotch physician, 1777-1836; William Stokes, Irish physician, 1804-1878.] Chian from turpentine Pistacia terebinth us,(ki'an). a An tree exudation growing in Asia Minor. [Chios, an island off the coast of Asia Minor, near Smyrna.]