The urethra is a renal system organ that carries urine from the bladder to outside the body. The epithelium is the tubular, planar layer of cells through which the urine passes.. [ http://amigo.geneontology.org/amigo/term/GO:0061071 ]
Synonyms: urethra epithelial tissue urethra epithelium epithelial tissue of urethra
This is just here as a test because I lose it