hydrops /hī″drops/ [Gk, dropsy] , an abnormal accumulation of clear watery or serous fluid in a body tissue or cavity, such as a joint, a graafian follicle, a fallopian tube, the abdomen, the middle ear, or the gallbladder. Hydrops in the entire body may occur in infants born with thalassemia or severe Rh sensitization. Formerly called dropsy.
