Assertion: papillary muscle | /r/HasProperty | clipped at its edges
Facets:
Source sentences:
text: The papillary muscle was dissected carefully from the left ventricle, clipped at its edges, placed vertically in a chamber containing Krebs-Henseleit solution at 28[degrees]C, oxygenated with a mixture of 0.95 [O.sub.2] and 0.5