pace|mak|er

pace|mak|er
pace|mak|er «PAYS MAY kuhr», noun.
1. a) a person, animal, or thing that sets the pace: »

These enzyme proteins in turn act as catalyzers or pacemakers of the chemical reactions that take place in the cell (Scientific American).

 b) Figurative. leader; pacesetter.
2. an area of specialized tissue in the heart, near the top of the wall of the right auricle, that sends out the rhythmic impulses which regulate the contractions of the heart muscles; sinoatrial node: »

Normally the ventricles…be regularly in rhythmic response to the heart's pacemaker (Paul Dudley White).

3. an electronic device implanted near the heart when the natural pacemaker does not function, to maintain or restore the normal rhythm of the heartbeat: »

The solution to this condition would be to supply the heart with an artificial pacemaker (New Scientist).


Useful english dictionary. 2012.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • pace|mak|ing — «PAYS MAY kihng», noun, adjective. –n. the act of setting the pace. –adj. setting the pace; acting as a pacemaker: »an electronic pacemaking device …   Useful english dictionary

  • pace·mak·er — /ˈpeısˌmeıkɚ/ noun, pl ers [count] 1 medical : a small electrical machine put inside a person to make the heart beat evenly 2 Brit : ↑pacesetter …   Useful english dictionary

  • Mak Sa'moa — is an informal Rotuman dance form derived from Samoan movement styles (Mak Sa moa meaning Samoan Dance in Rotuman), including the style of hand movements between man and woman, and the shuffling/twisting of the feet in and out, as in the Siva… …   Wikipedia

  • pacemaker — pace•mak•er [[t]ˈpeɪsˌmeɪ kər[/t]] n. 1) pacesetter 2) med an electronic device surgically implanted beneath the skin to provide a normal heartbeat by electrical stimulation of the heart muscle 3) anat. zool. any specialized body tissue governing …   From formal English to slang

  • pacemaking — pace·mak·ing pā .smā kiŋ n the act or process of serving as a pacemaker …   Medical dictionary

  • pacemaker — pace|mak|er [ˈpeısˌmeıkə US ər] n 1.) a small machine that is placed inside someone s chest in order to help their heart beat regularly 2.) also pacesetter a person or horse who goes to the front in a race and sets the speed that the others must… …   Dictionary of contemporary English

  • pacemaker — pace|mak|er [ peıs,meıkər ] noun count a small piece of electronic equipment attached to someone s heart to help the muscles move regularly …   Usage of the words and phrases in modern English

  • Pacemaker — A system that sends electrical impulses to the heart in order to set the heart rhythm. The pacemaker can be the normal natural pacemaker of the heart or it can be an electronic device. The natural pacemaker of the heart is the sinus node, one of… …   Medical dictionary

  • neuropacemaker — neu·ro·pace·mak·er (noor″o pāsґmāk ər) an implant device that relieves pain due to nerve injury …   Medical dictionary

  • macadamia — /mak euh day mee euh/, n. 1. any Australian tree of the genus Macadamia, esp. M. ternifolia, having whorled leaves and elongated clusters of pink flowers. 2. Also called macadamia nut. the edible, hard shelled seed of this tree. Also called… …   Universalium

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”