Company sergeant major. The company sergeant major (CSM) is the senior non-commissioned soldier of a company in the armies of many Commonwealth countries, responsible for administration, standards and discipline. In combat, his prime responsibility is the supply of ammunition to the company.
Urothelium The urothelium is a layer that lines much of the urinary tract, including the renal pelvis, the ureters, the bladder, and parts of the urethra. U.S. National Library of Medicine (0.00 / 0 votes) Rate this definition:
endothelium. n, pl-lia (-lÉªÉ). 1. (Anatomy) a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities. [C19: New Latin, from endo- + -thelium, from Greek thÄlÄ nipple].ndothelium. n, pl-lia (-lÉªÉ). 1. (Anatomy) a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities. [C19: New Latin, from endo- + -thelium, from Greek thÄlÄ nipple].