- Dictionary
- P
- Pacemaker
- Related Words
Words related to pacemaker
pace·mak·er
P p -
atrioventricular node
a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbreviation: A-V node. -
pacer
a person or thing that paces. -
pacesetter
a person, group, or organization that is the most progressive or successful and serves as a model to be imitated. -
sinoatrial node
a small mass of tissue in the right atrium functioning as pacemaker of the heart by giving rise to the electric impulses that initiate heart contractions.