Upon the infusion of CLA, {HEAD ~ a portion} of {TAIL ~ the CLA} is transferred to the mammary gland and incorporated into milk fat 
of
Upon the infusion of CLA , { HEAD ~ a portion } of { TAIL ~ the CLA } is transferred to the mammary gland and incorporated into milk fat
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH