系统性硬化(硬皮病)病人食管蠕动障碍，因为黏膜下层纤维化。
Esophageal motility problems can occur in patients with progressive systemic sclerosis (scleroderma) because the submucosa becomes fibrotic.
虽然他们可以快速，精确和强大的，这种刚性使得它们容易受到碰伤，擦伤，曲折伤害和跌倒，也防止它们能够蠕动过去的障碍。
Although they can be fast, precise and strong, this rigidity makes them vulnerable to harm from bumps, scrapes, twists and falls, and also prevents them from being able to wriggle past obstacles.
贲门失弛缓症是一种原发性食管动力障碍蠕动功能衰竭的特点高血压的涡放松和食管的缺乏。
Achalasia is a primary esophageal motility disorder characterized by failure of a hypertensive LES to relax and the absence of esophageal peristalsis.
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