Kolosov, Aleksandr Aleksandrovich

KOLOSOV, Aleksandr Aleksandrovich (born 1862), a well-known histologist, professor at the North Caucasian University in Rostov-on-Don. In 1886, upon graduating from the medical faculty of Kharkov University, Kolosov worked at the Department of Histology; in 1889, at the invitation of Babukhin, he moved to Moscow University, where he served as an assistant and prosector. In 1895, he obtained a professorship in Warsaw; from 1915, Kolosov was a professor in Rostov. A distinctive feature of Kolosov as a histologist is his masterful technique, which he enriched with the osmication method, suitable for elucidating the finest cellular structures; he also designed one of the best types of paraffin baths. Kolosov's scientific works belong to the field of cytology of epithelium and muscles; the principal ones are:

«Über die Struktur des Pleuroperitoneal- und Gefässepithels (Endothels)» (Archiv für mikroskopische Anatomie, Band LXII, 1893; dissertation);

«On the Interrelationships of Cells and on Juice Canals in Tegumentary and Glandular Epithelia and in Smooth Muscle Tissue» (Russian Archives of Anatomy, Histology, and Embryology, vol. IV, iss. 1, 1925).