intermediate atrial branch of right coronary artery

[TA]

arises from superior aspect of right coronary artery as or soon after it crosses the right margin on the heart; supplies posterolateral wall (sulcus/crista terminalis portion) of right atrium.

Synonym(s): ramus atrialis intermedius arteriae coronariae dextrae [TA], lateral atrial branch of right coronary artery, marginal atrial branch of right coronary artery, right atrial branch of right coronary artery

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