(frēt'len‵dĕr, frēd' )

Ger. pathologist, 1847–1887.

F. bacillus Klebsiella pneumoniae.

F. disease Endarteritis obliterans.

F. pneumonia Lobar pneumonia caused by infection with Klebsiella pneumoniae, characterized by fevers, chills, sweats, cough, pleuritic pain, bloody sputum, and bulging interlobar fissures on chest x-ray.