sinoatrial

S1I1N1O1A1T1R1I1A1L1

adjective

Relating to the venous sinus and the right atrium of the heart.

“sinoatrial block; sinoatrial node”

Similar
SAsinoauricular
OriginEnglish atrial ← Proto-Indo-European *h₂élisder.? →
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Meanings

adjectivesinoatrial (not comparable)
  1. not comparableanatomyRelating to the venous sinus and the right atrium of the heart.

    sinoatrial block; sinoatrial node

    Synonyms: SA, sinoauricular

Synonyms & antonyms

adjectiveRelating to the venous sinus and the right atrium of the heart.

Similar
SAsinoauricular
Also see
sinoauricular

Origin

  1. Englishsino-
  2. Englishatrium
  3. Proto-Indo-European*h₂el-
  4. Proto-Indo-European*h₂élisder.?
  5. Englishatrial
  6. Englishsinoatrial

From sino- + atrial.

Full word history & related roots →

Translations

French sinu-atrial
  • sinu-atrialrelating to the venous sinus and right atrium
Italian senoatriale
  • senoatrialerelating to the venous sinus and right atrium
Portuguese sinoatrial
  • sinoatrialrelating to the venous sinus and right atrium
Spanish sinoatrial
  • sinoatrialrelating to the venous sinus and right atrium

Rhymes & wordplay

Anagrams

solitarian
Cite this entry
APA

sinoatrial. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sinoatrial

MLA

“sinoatrial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sinoatrial. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sinoatrial,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sinoatrial.

Source: sinoatrial on Wiktionary, CC BY-SA 4.0.