In one embodiment, {HEAD ~ the fourchette} extends along {TAIL ~ both the ulnar and radial sides} of the anterior and posterior portions 
extends along
In one embodiment , { HEAD ~ the fourchette } extends along { TAIL ~ both the ulnar and radial sides } of the anterior and posterior portions
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH