Further, the term tissue as used herein generically refers to {HEAD ~ any natural or surgically exposed surface} of the body of the patient, such as skin, teeth, oral mucosa, cervix, or {TAIL ~ internal body tissue} during surgery 
Further , the term tissue as used herein generically refers to { HEAD ~ any natural or surgically exposed surface } of the body of the patient , such as skin , teeth , oral mucosa , cervix , or { TAIL ~ internal body tissue } during surgery
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH