A metacarpophalangeal prosthesis includes {TAIL ~ a metacarpal component} having {HEAD ~ a head portion} and a phalangeal component having a socket portion 
A metacarpophalangeal prosthesis includes { TAIL ~ a metacarpal component } having { HEAD ~ a head portion } and a phalangeal component having a socket portion
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH