Assertion: sacrum's segment | /r/CapableOf | form bony posterior elements
Facets:
value: incompletely
type: MANNER
Source sentences:
text: The lowest one or two sacral segments have incompletely formed bony posterior elements, resulting in an aperture into the sacral spinal canal known as the sacral hiatus.
text: The lowest one or two sacral segments have incompletely formed bony posterior elements, resulting in an aperture into the sacral spinal canal known as the sacral hiatus.
text: The lowest one or two sacral segments have incompletely formed bony posterior elements, resulting in an aperture into the sacral spinal canal known as the sacral hiatus.