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.
Brand Names: Rheumatrex Dose Pack, Trexall. Methotrexate interferes with the growth of certain cells of the body, especially cells that reproduce quickly, such as cancer cells, bone marrow cells, and skin cells. Methotrexate is used to treat certain types of cancer of the breast, skin, head and neck, or lung. It is also used to treat severe psoriasis and rheumatoid arthritis. Methotrexate is usually given after other medications have been tried without successful treatment of symptoms.