Assertion: metacarpal | /r/RelatedTo | the thumb
Facets:
Source sentences:
text: The first metacarpal bone is associated with the thumb.
text: The first metacarpal (1st Metacarpal) is the metacarpal or palm bone associated with the thumb and is the shortest, and most mobile of all the five metacarpal bones .
text: The first metacarpal bone is associated with the thumb, the 5th metacarpal bone is associated with the little finger.