【Tim Tu】評論
存於右心室(A)腱索(chordae tendineae) (B)心肉柱(trabeculae carneae) (C)乳頭肌(papillary muscle)
【Tina Pon】評論
存於右心室(A)腱索(chordae tendineae)(B)心肉柱(trabeculae carneae)(D)乳頭肌(papillary muscle)存在右心房(C)冠狀竇開口(opening of coronary sinus)卵圓窩SA node 終脊