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。

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"But when a child is born with limbs missing, she traverses a distinct developmental path that entails novel brain organization and associated behavioral adjustments".

可是，如果孩子出生时缺少四肢，她就要穿越截然不同的发育路线，途中需要新的脑组织及其相关的行为适应。

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Patients with amputated limbs who still feel discomfort in the missing appendage are still hurting, for example, since their brain is registering signals, however distorted, of the sensation.

例如，在截过肢的病人仍然感到原患肢的疼痛存在，因为他们的大脑已经记录过感觉不正常的信号。

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Bellini, who toured the hospital, said a number of them are recovering from serious injuries, including missing limbs.

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He then put it back in his pocket and went to help the injured, including a boy and others who were missing limbs.

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The squad of 28 includes both British and U.S. service people who were wounded during combat and have missing limbs, spinal injuries and psychological injuries.

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