In {TAIL ~ one embodiment}, the fourchette extends to {HEAD ~ the edge} of an opening formed by the fourchette and the anterior and posterior portion 
In { TAIL ~ one embodiment } , the fourchette extends to { HEAD ~ the edge } of an opening formed by the fourchette and the anterior and posterior portion
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH