Compression of the membranous sac was the main factor for CSCI.
机械性压迫是CSCI病理变化的主要因素。
Gallbladder: Muscular membranous sac under the liver that stores and concentrates Bile.
胆囊：见于许多脊椎动物的肌性膜性囊，用以贮存及浓缩胆汁。
The membranous sac filled with urografin was applied to produce an animal model of chronic spinal cord compression (L 2).
采用慢性泛影葡胺胶囊逐级压迫建立慢性脊髓压迫动物模型，造成家兔第2腰髓节段的慢性压迫。
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