atrial
|a-tri-al|
C1
/ˈeɪtriəl/
relating to an atrium (heart chamber)
Etymology
Etymology Information
'atrial' originates from Latin, specifically the word 'atrium', where 'atrium' meant 'an entrance hall, inner room'.
Historical Evolution
'atrial' developed in English from the Latin 'atrium' via New/Modern Latin anatomical usage; the adjective-forming suffix '-al' was added to create 'atrial'.
Meaning Changes
Initially 'atrium' meant 'entrance hall' in Latin, but over time it came to be used for a chamber of the heart; 'atrial' now means 'relating to an atrium (heart chamber)'.
Meanings by Part of Speech
Adjective 1
relating to an atrium (especially a chamber of the heart); of or pertaining to the atria.
The patient was diagnosed with atrial fibrillation.
Synonyms
Antonyms
ventricular
Last updated: 2025/11/13 19:02