Presence of pus and blood in the pleural cavity. ... Origin: pyo-+ G. Haima, blood, + thorax ... (05 Mar 2000) ... 
(pi″o-he″mo-thor´aks) a pleural effusion containing pus and blood.
Type: Term Pronunciation: pī′ō-hē-mō-thō′raks Definitions: 1. Presence of pus and blood in the pleural cavity.
pyohemothorax A collection of pus and blood in the pleural cavity; the thin serous membrane around the lungs and inner walls of the chest.