It is preferable that the texture not be located any closer to the end effector assembly so that they do not exit {HEAD ~ the distal end} of {TAIL ~ the endoscope} and possibly interfere with the positioning of the end effectors at the biopsy site 
It is preferable that the texture not be located any closer to the end effector assembly so that they do not exit { HEAD ~ the distal end } of { TAIL ~ the endoscope } and possibly interfere with the positioning of the end effectors at the biopsy site
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH