Band of tissue joining bones (8)
I believe the answer is:
ligament
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">band of tissue joining bones</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ligament that I've seen before include "Band of tissue joining bones" , "What footballer may damage" , "Tough fibrous tissue in the body" , "Tissue joining bones or cartilages" , "it's the physical bond" .)