Bust of Louis-Charles Malassez, on his grave.
Louis-Charles Malassez (21 September 1842–1909) was a French anatomist and histologist born in Nevers, department of Nièvre.
He studied medicine in
Paris, where he worked as an interne from 1867. He served with the 5th Ambulance Corps during the Franco-Prussian War, afterwards returning to Paris, where he worked with distinguished physicians that included Claude Bernard, Jean-Martin Charcot and Pierre Potain. In 1875 he attained the chair of anatomy at Collège de France, and in 1894, became a member of the . Académie de Médecine
He conducted histological research of the blood, and is credited for design of the
hemocytometer, a device used to quantitatively measure blood cells. In the field of [1 ] dentistry, he described residual cells of the epithelial root sheath in the periodontal ligament. These remaining cells are referred to as epithelial cell rests of Malassez (ERM).
genus of fungi called bears his name. The species in the genus include: Malassezia , Malassezia furfur , Malassezia ovalis , Malassezia pachydermatis and Malassezia sympodialis Malassezia orbiculare. Malassezia furfur is a lipophilic species that forms on human skin and can cause seborrheic dermatitis and tinea versicolor, Malassezia pachydermatis is a species that is associated with otitis externa in dogs. [2 ]
Selected publications [ edit ]
'De la numération des globules rouges du sang. I. Des méthodes de numération. II. De la richesse du sang en globules rouges dans les différentes parties de l'arbre circulatoire. Paris 1873
Sur les lésions histologiques de la syphilis testiculaire. Paris, 1881 - (with
Paul Reclus 1847-1914). Sur l’existence d’amas épithéliaux autour de la racine des dents chez l’homme adulte et a l’état normal (débris épithéliaux paradentaires. Paris, 1885
Sur les role des débris épithéliaux paradentaires. In: Archives de physiologie normale et pathologique. Paris, S. 309–340, 1885
References [ edit ]
Dorlands's Medical Dictionary, Definition of Malassezia species & Cell rests
Gies, W. J. (1934). "Proceedings of the Twelfth General Meeting, Stevens Hotel, Chicago, Illinois, March 17 and 18, 1934". Journal of Dental Research 14 (3): 153–241. doi: 10.1177/00220345340140030101.
 Malassezia Infections of the Skin, D. R. Thomas, MD, FRCPC
^  Academic dictionaries and encyclopedias, Hemocytometer
^ Uchida Y, Mizutani M, Kubo T, Nakade T, Otomo K (August 1992). "Otitis externa induced with Malassezia pachydermatis in dogs and the efficacy of pimaricin". The Journal of Veterinary Medical Science 54 (4): 611–4. PMID 1391168.
"List of publications copied from the equivalent article at the