紧张性收缩是消化道平滑肌共有的运动形式。这种收缩使得胃腔内具有一定的压力，有助于胃液渗入食物内部，促进化学性消化。
其运动功能主要包括紧张性收缩引起的基础压力和自发性基础性收缩。
The motility of SO was composed of tonic contraction and phasic contraction.
压力过大、压抑或者焦虑引起的肩膀、颈部、头皮和下巴的肌肉收缩往往是导致紧张性头疼的原因。
Often due to tight, contracted muscles in your shoulders, neck, scalp, and jaw, tension headaches result from stress, depression, or anxiety.
但是，对轻中度收缩性HF患者，螺内酯联合血管紧张素ii受体拮抗剂对左室(LV)逆重构的价值目前还不清楚。
However, the value of combining spironolactone with an angiotensin II receptor blocker on LV reverse remodeling in mild-to-moderate systolic HF is unclear.
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