infundibular stalk

例句：

1. 1. The infundibular stalk is a crucial part of the heart's structure.
   中空的柱状物是心脏结构中至关重要的部分。
2. 2.During embryonic development, the infundibular stalk plays a role in blood vessel formation.
   在胚胎发育过程中，中空的柱状物在血管形成中发挥作用。
3. 3.The infundibular stalk connects the atria to the ventricles, allowing for the transfer of oxygenated blood from the lungs to the heart.
   中空的柱状物将心房与心室连接起来，使富含氧气的血液从肺部传输到心脏。