monocardian

例句：

1. 1. The patient's heart was found to have a monocardian structure.
   患者的心脏被发现具有单心室结构。
2. 2.The study focused on the development of monocardian hearts in humans.
   该研究专注于人类单心室心脏的发展。
3. 3.In some rare cases, a monocardian heart may be present due to congenital abnormalities.
   在某些罕见情况下，由于先天性异常，可能会出现单心室心脏。