| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,762,773,492 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
receptor |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.02 sec. |
|
receptor Physiol a sensory nerve ending that changes specific stimuli into nerve impulses receptor [ri′sep·tər] (biochemistry) A site or structure in a cell which combines with a drug or other biological to produce a specific alteration of cell function. (physiology) A sense organ. 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 | ||
|---|---|---|---|
| a nonapeptide kinin formed from HMW kininogen by the action of kallikrein; it is a very powerful vasodilator and increases capillary permeability; in addition, it constricts smooth muscle and stimulates pain receptors. A pain receptor will make a neuron "fire" only when a specific molecule shows up to activate it. In someone with undamaged pain receptors and circuitry, the unpleasant signal's pathway to the brain begins at nerve endings called |
| 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 |
|---|