Assertion: metacarpal's end | /r/HasAspect | articular surface
Facets:
Source sentences:
text: The distal end of the bone has an articular surface comprised of two condylar areas separated by a saggital ridge, which engages with a groove in the proximal phalanx.
text: The distal phalanx is pointed, the proximal end has two articular surfaces separated by a ridge.