sinuatrial (S-A) nodal branch of right coronary artery
ascending atrial branch, usually (55%) arising from the anterior stem of the right coronary artery (but 35–45% arising from the circumflex branch of the left coronary artery), which runs around the base of the superior vena cava to reach the sinuatrial node.
Synonym(s): ramus nodi sinuatrialis arteriae coronariae dextraeTA, artery to the sinuatrial (S-A) node, branch to sinuatrial node, sinuatrial nodal artery, sinuatrial nodal branch of right coronary artery, sinuatrial node artery, sinus node artery
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.