Assertion: stomach's surface | /r/CapableOf | lubricate by small quantity of serous fluid
Facets:
Source sentences:
text: The free surface of the membrane is smooth, covered by a layer of flattened mesothelium, and lubricated by a small quantity of serous fluid.
text: The free surface of the membrane is smooth, covered by a layer of flattened mesothelium, and lubricated by a small quantity of serous fluid.