Frerichs

Frerichs Friedrich Theodor (Friedrich Theodor Frerichs, 1819-1885), famous German clinician. From 1838 in Göttingen he worked in chemistry, from 1842 to 1846 he was an eye doctor, in 1846 he became a professor of physiological chemistry in Göttingen, collaborating in R. Wagner's Great Physiological Encyclopedia, where he distinguished himself with a classical work on digestion that immediately made him famous; he began working in a polyclinic; in 1848 he became a professor in Göttingen, in 1850-1852 he was director of the clinic in Kiel, where he wrote a monograph on Bright's disease, which brought him world fame. Frerichs was one of the first to introduce experimentation into clinical medicine. From 1852 to 1859 in Breslau, where he distinguished himself as an exceptional diagnostician. Here he published Volume I of his 'Clinic of Liver Diseases,' discovered the presence of leucine and tyrosine in the urine in acute atrophy of the liver, anatomical changes in cirrhosis of the liver and malignant malaria, deposition of pigment in the liver in pernicious anemia, etc. After moving to Berlin in 1859 as Schönlein's successor, he completed Volume II of the aforementioned work and wrote a major work on diabetes (Berlin, 1884), based on 400 cases, and developed the pathological-anatomical picture of this disease (55 autopsies). His monographs to this day are classical works on diseases of the kidneys, liver, and diabetes. His other works were on polyps (1843), on bile (1845), on marsh fever (1848), on gelatinous and colloidal tumors (1847), on uremic intoxication, on measuring metabolism and on the use of nitrogenous and non-nitrogenous foodstuffs (1849).