Sore mouth. A sore mouth (also called stomatitis or oral mucositis) occurs because of chemotherapyâs effect on cells inside the mouth. Many drugs can cause a sore mouth and it occurs more often when higher doses of drugs are used. A sore mouth occurs about a week (anywhere from 5â14 days) after chemotherapy is started.
Definition of THALLUS. : a plant body that lacks differentiation into distinct parts (as stem, leaves, and roots), does not grow from an apical point, and is characteristic of organisms formerly classified as thallophytes.ADVERTISEMENT. a plant body that lacks differentiation into distinct parts (as stem, leaves, and roots), does not grow from an apical point, and is characteristic of organisms formerly classified as thallophytes. ADVERTISEMENT.
Bacillus stearothermophilus. Definition. noun. A rod-shaped, endospore-forming, Gram-positive bacterium that belongs to the division Firmicutes. Supplement. It is thermophile, and lives mostly in soil, hot springs, and ocean sediments. It can also cause spoilage in food products.