Assertion: coccyx | /r/HasProperty | sacrococcygeal joint
Facets:
Source sentences:
text: At the end of the third trimester, hormonal changes enable the synchondrosis between the sacrum and the coccyx (sacrococcygeal joint) to soften and become more mobile.
text: The two main joints that hold the coccyx and the rest of the spine in place are known as the sacrococcygeal joints.