English literature - Student Encyclopedia (Ages 11 and up) The writers of the British Isles, including England, Scotland, and Wales, have produced a great wealth of literature. The language in which English literature is written has evolved over hundreds of years and is still changing.
The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan.
The ANA (antinuclear antibody test) is ordered to test for autoimmune conditions and is most often used as one of the tests to diagnose lupus. The antinuclear antibody panel is a blood test that looks at antinuclear antibodies (ANA). Antinuclear antibodies are produced by the immune system that attack the body's own tissues. Your doctor may order an ANA test if you have signs of an autoimmune disorder, particularly SLE.