meta- medical definition

or met-

1. Later in time: metestrus.
2. At a later stage of development: metanephros.
3. Situated behind: metacarpus.
4. Change; transformation: metachromatism.
5. Alternation: metagenesis.
6. Beyond; transcending; more comprehensive: metapsychology.
7. At a higher state of development: metazoan.
8. Having undergone metamorphosis: metamyelocyte.
9. Derivative or related chemical substance: metaprotein.
10. Abbr. m- Of or relating to one of three possible isomers of a benzene ring with two attached chemical groups, in which the carbon atoms with attached groups are separated by one unsubstituted carbon atom. Usually used in italic: meta-dibromobenzene.