| RESECT | Surgically remove a part of a structure or organ (6) |
| SINEWS | Parts of a structure or system that give it strength (6) |
| DETACH | Remove a part from |
| CASTLE | From the Latin for "little fort", a structure or complex of buildings fortified against attack, of which the central donjon or keep in the Middle Ages was its most essential part (6) |
| ABLATE | Surgically remove a belt twisted round bottom of tibia (6) |
| DORSAL | Belonging to or on or near the back or upper surface of an animal or organ or part. |
| ANOMIE | State or condition originally described by Emile Durkheim, characterised by hopelessness in society as a result of lack of structure or an absence of norms (6) |
| EXCISE | Surgically remove tax on goods (6) |
| FRAMES | Word for the structures or skeletons of human bodies; or, the rigid surrounds of doors, lenses, paintings or windowpanes (6) |
| REVAMP | An act of improving the form, structure or appearance of something (6) |
| CUPOLA | A dome-like structure or the inside of a dome |
| MODIFY | To alter or change in structure or intent (6) |
| SPIRAL | Logarithmic -; curve, biological structure or phenomenon occurring in a nautilus shell, cyclone, som |
| ARISTA | Bristlelike structure or appendage-"is a rat" anagram? |
| ADNATE | Of unlike body parts or organs |
| BEAM | Ray of light from part of a structure (4) |
| BUILTIN | Forming an integral part of a structure (5-2) |
| BASE | Lowest part of a structure (4) |
| IMPAIRMENT | A partial or complete loss of function of a body part or organ (10) |
| OILWELL | General name for the subsea part of a structure such as Deepwater Horizon (3,4) |
