| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,810,634,994 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
antagonist |
Also found in: Medical, Legal, Wikipedia, Hutchinson | 0.03 sec. |
|
antagonist 1. any muscle that opposes the action of another 2. a drug that counteracts the effects of another drug antagonist [an′tag·ə‚nist] (biochemistry) A molecule that bears sufficient structural similarity to a second molecule to compete with that molecule for binding sites on a third molecule. (pharmacology) A drug or other chemical substance capable of reducing the physiological activity of another chemical substance; refers especially to a drug that opposes the action of a drug or other chemical substance on the nervous system by combining with and blocking the nerve receptor. (physiology) A muscle that contracts with, and limits the action of, another muscle, called an agonist, with which it is paired. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | ||
|---|---|---|---|
| President Bush then gave a stark warning to Iran that it had become the main enemy in what his Baghdad envoys called a "proxy war" against the US in Iraq and other parts of the Middle East. 13 gave a stark warning to Iran that it had become the main enemy in what his Baghdad envoys called a "proxy war" against the US in Iraq and other parts of the Middle East. Iran, whose leader has threatened to wipe Israel off the map, is viewed by Israel as its main enemy. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|