Assertion: bursa | /r/HasProperty | sac
Facets:
Source sentences:
text: A bursa is a sac filled with fluid that acts as a cushion between tendons, bones, and joints.
text: A bursa is a sac made of thin, slippery tissue.
text: A bursa is a sac that is filled with liquid and may be located at the joints (i.e. shoulders or knees).
text: A bursa is a sac made of thin, slippery tissue.
text: A bursa is a small lubricated balloon like sac found throughout the body.