ampullary crura of semicircular duct.
半规管壶腹脚

crura membranacea ampullaria ductus semicircularis
半规管膜壶腹脚

Maintain a balance and respiration, lift thigh, and close up crura.
保持平衡与呼吸，抬起大腿，收缩小腿，让脚底紧贴着膝盖内侧。

The observation on curative effect of treatment with defibrase on crura deep vena thrombosis
降纤酶治疗下肢深静脉血栓形成的疗效观察

The framework of the nasal tip is formed by the medial middle, and lateral crura of the lower lateral cartilages.
鼻尖支架结构由下外侧软骨的内中和外侧脚构成。