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 is a genus of Gram-positive, rod-shaped (bacillus) bacteria and a member of the phylum Firmicutes.Bacillus species can be obligate aerobes (oxygen reliant), or facultative anaerobes (having the ability to be aerobic or anaerobic).his article is about the bacterial genus. For the bacterial class, see Bacilli. For rod-shaped bacteria in general, see Bacillus (shape) . For the insect genus, see Bacillus (insect) .