Color and transparency are determined from visual observation of the sample. Normal urine is straw yellow to amber in color. Abnormal colors include bright yellow, brown, black (gray), red, and green. These pigments may result from medications, dietary sources, or diseases.
limulus amebocyte lysate test. limulus amebocyte lysate test. LAL test. A test used to detect minute quantities of bacterial endotoxins and to test for pyrogens in various materials; it is also used to detect septicemia due to gram-negative bacteria. Limulus amebocyte lysate is formed from the lysed circulating amebocytes of the horseshoe crab (Limulus polyphemus).
Test Effort Estimation. Murali Chemuturi. Introduction. Testing is carried out primarily for unearthing any and all defects present in the system. and to prevent a defective product reaching the customers. Secondarily, testing is also. carried out to convince the customer that the product conforms to and fulfills the.