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 is one of the most effective and widely used medications for treating rheumatoid arthritis (RA) and other inflammatory types of arthritis. Itâs also one of the safest arthritis drugs, insist rheumatologists, despite a common misconception among many patients and even some primary care physicians that methotrexate is highly toxic.