The noun A. TESTUDINEUS has 1 sense: 1. a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land. Familiarity information: A. TESTUDINEUS used as a noun is very rare. Dictionary entry details.
If the urine appears thick or has granules in it I'd suspect bladder stones/crystals or infection. The bright yellow color can sometimes indicate a liver or gallbladder problem.
As a result of certain conditions, the bladder wall thickens. Thickened bladder wall causes could be any of the following: Inflammation due to urinary tract infection can cause thickening. This is because the infected tissue accumulates fluids, pus, and other inflammatory debris that makes it swell and look dense.