| - [ Meredith ] Nope. There was a papillary muscle rupture in the CCU, | ไม่ มีคนไข้แยกกล้ามเนื้อลิ้นหัวใจที่ห้องซี.ซี.ยู. Tainted Obligation (2009) |
| papillary muscle | (n) any of several muscles associated with the atrioventricular valves, Example: the papillary muscles contract during systole to prevent regurgitation of blood into the atria |