One of a class of virulent microorganisms or bacteria found in the tissues and fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic bacterium; -- opposed to zymogene.
Vogais: aoee
Consoantes: pthgn
pathogen, pathogeny, photogene, pathognomy, peptogen, photogen, photogeny, phytogeny, patacoon, phatagin.