Sinoatrial

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Relating to the venous sinus and the right atrium of the heart. not-comparable
"sinoatrial block; sinoatrial node"

Synonyms

sa sa sinoauricular

Example

"Scientists created a natural pacemaker in experiments with pigs with a malfunctioning sinoatrial node, which regulates heartbeat."

Etymology

From sino- + atrial.

Related phrases

sinoatrial conduction time sinoatrial recovery time

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.