Assertion: ulna's process | /r/CapableOf | help to lock the ulna
Facets:
value: in place
type: LOCATION
value: with the humerus at the elbow
type: MANNER
Source sentences:
text: The distal lip of the trochlear notch protrudes anteriorly to form the coronoid process that helps to lock the ulna in place with the humerus at the elbow and fits into the coronoid fossa of the humerus.