Types & Characteristics of Genres: Poetry. A main literary genre is poetry. All poems share specific characteristics. For example, poetry is written in lines and stanzas instead of sentences and paragraphs. Some poems follow strict rules as to the number and length of lines and stanzas, whereas many poems are much more free-flowing.
Freebase(0.00 / 0 votes)Rate this definition: Methotrexate. Methotrexate, abbreviated MTX and formerly known as amethopterin, is an antimetabolite and antifolate drug. It is used in treatment of cancer, autoimmune diseases, ectopic pregnancy, and for the induction of medical abortions. It acts by inhibiting the metabolism of folic acid.
Methotrexate reduces inflammation caused by rheumatoid arthritis. It is the most common DMARD used to treat rheumatoid arthritis. Methotrexate may be used: 1  In the early stages of rheumatoid arthritis to prevent disease progression.all your doctor if you have: 1  Hives. 2  Signs of an infection, such as a sore throat, fever, sneezing, or coughing. 3  Bloody vomit. 4  Signs of unusual bleeding or bruising, such as black and tarry stools or blood in the urine. 5  Diarrhea. 6  Stomach pain.