Medical Terminology / Unit 7 MedTerm 0410 short lesson, about 20 seconds
atri/o: Atrium
Captions available
The idea
The combining form atri slash o names an atrium, one of the two upper chambers of the heart.
In practice
Atrial fibrillation is a disordered rhythm arising in the atria.
Where people slip
One atrium; two atria, following the um to a plural rule.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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