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| 胸肋面 (又称 anterior surface 前面，朝向前上方，1/4由左心耳和左心室构成,3/4由右心房和右心室构成。在胸肋面上部，肺动脉干和升主动脉分别起自右心室和左心室。胸肋面的大部分被胸膜和肺遮盖，小部分与胸骨体下半部和左侧第4〜6肋软骨相邻。临床上常在胸骨左缘第4肋间隙进行心內注射，以免损伤胸膜和肺) | |||
| 胸肋面; 前面 | |||
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