Fossa ovalis and the tributaries of great saphenous veins were observed and measured on 52 lowerlimbs of the patient.
在患者的52个下肢上观察并测量了卵圆窝和大隐静脉的支流。
2
Shrunken limbs and missing digits are likely due to changes in the Hox genes, which determine the development of lower body segments.
缩小的肢体和消失的趾头很可能是由于基因的变化而造成的，这决定了下肢的演化过程。
3
But for people with zero or reduced mobility in any of their upper or lowerlimbs, keeping both hands on the steering wheel and feet ready at the pedals can present some difficult challenges.