The fully spread cells survived for 2-4 weeks without spontaneous contraction.
全铺开细胞存活2—4周而无自发性收缩。
METHODS: Spontaneous contraction of gastric antral circular muscle of rats was recorded by four channel physiograph.
方法：用四道记录仪记录胃窦环行肌条的自发性收缩活动；
METHODS: Spontaneous contraction of gastric antral circular muscle of rats was recorded by four channel physiograph.
方法：用四道记录仪记录胃窦环行肌条的自发性收缩活动；
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