| Rating | Solver | Clue |
|---|---|---|
| BURSA | Fluid-filled joint sac | |
| VESICLE | A cavity or sac, especially one filled with fluid; as, the umbilical vesicle. | |
| CAPSULE | A membranous sac containing fluid, or investing an organ or joint; as, the capsule of the lens of the eye. Also, a capsulelike organ. | |
| HYDATID | A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It... |