皮肤肌（integumentary muscles）简称皮肌，与皮肤相连使皮肤抖动的肌肉，在胚胎发育时期它们从皮下的骨骼肌分离出来，所以有些皮肤肌的一端还连在骨骼上，但一般...
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当冰冷的听筒接触到皮肤，包着二头肌的血压计开始变紧，人们通常都会感到有点紧张。
When that cold stethoscope hits the skin and the blood pressure cuff starts tightening around the bicep people may get a little anxious.
然后使用无菌剪刀经皮肤和眼轮匝肌在外眦角处作一个朝向眶外侧缘长约1 cm的切口(左图)。
Sterile scissors are then used to make a horizontal incision through the skin and orbicularis muscle at the lateral canthal Angle 1 cm toward the lateral orbital rim (left image).
当我们的祖先身体被毛发覆盖时，当人感到沮丧或者寒冷的时候皮肤上的一种叫“立肌”的肌肉会收缩，使他们的毛发竖立起来。
When our ancestors were covered in fur, muscles in their skin called "arrector pili" contracted when they were upset or cold, making their fur stand on end.
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