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pacemaker

pacemaker

3 4.2
Cells in the heart that make electrical signals to control the heartbeat
  • noun
  • /ˈpeɪsˌmeɪkər/
  • Specialized
translation icon : nodo sinusal
  • He's had a pacemaker.

Examples

  • The doctor explained that a pacemaker helps regulate the heartbeat by sending electrical impulses to the heart.

  • somebody who has a pacemaker?

  • - Does he have a cardiac pacemaker?

  • Your husband's pacemaker.

  • Grace just stood there, the door between her and her daughter, the pacemaker keeping its rock-steady beat in her chest, and she didn't say a word.

    Fiction book (1997)
  • When Dan's father died, Dan tried to persuade Luisa to let the doctor take out his pacemaker and send it to some Third World country where people who needed pacemakers couldn't afford them.

    Fiction book (1999)
  • After receiving a pacemaker, she noticed a significant improvement in her energy levels and overall health.

  • The new pacemaker is designed to adjust its pacing based on the patient's activity level.

Synonyms

sinoatrial node
vspacemaker
  • Specialized
1 5.8

A small group of cells in the heart's right upper chamber that makes the heartbeat regular

is the generic group of cells that regulate the heartbeat by impulses
cardiac pacemaker
vspacemaker
  • Specialized
1 4.4

A small part of the heart that makes electrical signals to control the heartbeat

is the general label for that same impulse-generating tissue
SA node
vspacemaker
  • Specialized
5.5

A small group of cells in the upper right part of the heart that starts and controls the heartbeat

is the broader term for specialized heart cells that set the heart rhythm

Compounds

cardiac pacemaker
  • Specialized
1 4.4

A small part of the heart that makes electrical signals to control the heartbeat

artificial pacemaker
  • Specialized
3.9

A small electronic device placed under the skin that keeps the heart beating steadily

Surface Forms

pacemaker singular
pacemakers plural

Morphology

pacemaker = pace + maker (transparent) = pace + maker

Metaphorical anatomical use but directly means 'something that sets the pace' (i.e., sets the heart's rhythm), so the compound is predictable from its parts.

Etymology

Pacemaker comes from pace ('speed' or 'step') and maker ('one who makes'), and it fits the heart because certain cells 'make the pace' by setting how fast the heart beats.