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.
Your doctor will determine the optimal dose of methotrexate for you based on your level of disease activity and response to the treatment. Taken orally, methotrexate is typically started at a single dose of 7.5 mg given once weekly or in three divided doses of 2.5 mg given at 12 hour intervals.