Louis-Charles Malassez

From Wikipedia, the free encyclopedia

This article does not cite any references or sources. (October 2007)
Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed.

Louis-Charles Malassez (21 September 1842 – 1909) was a French scientist who was born in Nevers, France. He is known for his scientific work done in the medical laboratories at the Collège de France.

Malassez is credited for the invention of the hemocytometer, an apparatus used to quantatively measure blood cells. In the field of dentistry, he described residual cells of the epithelial root sheath in the periodontal ligament. These remaining cells are now known as the epithelial cell rests of Malassez (ERM).

A genus of fungi called Malassezia bears his name. The species in the genus include: Malassezia furfur, Malassezia ovalis, Malassezia pachydermatis, Malassezia sympodialis and Malassezia orbiculare. Malassezia furfur is a lipophilic species that forms on human skin and can cause seborrheic dermatitis and tinea versicolor, Malassezzia pachydermatis is a species that is associated with otitis externa in dogs.

[edit] References

Sources consulted

This section needs additional citations for verification.
Please help improve this article by adding reliable references. Unsourced material may be challenged and removed. (October 2007)

Endnotes

This section is missing citations or needs footnotes.
Using inline citations helps guard against copyright violations and factual inaccuracies. (October 2007)