Assertion: spinal cord | /r/HasProperty | ensheathed by three protective membranes
Facets:
Source sentences:
text: The medulla spinalis does not fill the part of the vertebral canal in which it lies; it is ensheathed by three protective membranes, separated from each other by two concentric spaces.
text: The medulla spinalis does not fill the part of the vertebral canal in which it lies; it is ensheathed by three protective membranes, separated from each other by two concentric spaces.