| SACRA | Fused, bottom-of-the-spine bones |
| KEELS | Fused bottom petals of eg sweet peas - leeks, possibly? (5) |
| VERTEBRAE | Spine bones |
| COCCYX | Bone at the bottom of the spine (6) |
| VERTEBRA | Green underwear covering bottom of the spine - just a bit of it |
| PUBIS | Either of a pair of bones forming the frame at the base of the spine (5) |
| LOINS | Parts of the body on both sides of the spine between the false ribs and the hipbones |
| AXIS | Second of the cervical vertebra, below the atlas at the top of the spine (4) |
| HEADBAND | A decorative strip of coloured silk attached to the top of the spine of a hardback book; or, a hair accessory, such as a fillet or the example named after Lewis Carroll's heroine Alice (8) |
| ATLAS | The first cervical vertebra of the spine, named after the titan who held the sky on his shoulders (5 |
| PELVIC | Of the bony frame near the base of the spine (6) |
| SLIPPEDDISC | Displacement of tissue between the bones of the spine (7,4) |
| LUMBAR | Of or relating to the section of the spine between the lowest rib and pelvis (6) |
| DISC | Part of the spine that consists of a tough outer layer, the annulus, and softer centre called the nucleus (4) |
| SACRUM | Triangular bone at the base of the spine |
| PELVIS | Bony structure at the base of the spine (6) |
| SACROILIAC | Joint at the base of the spine |
| SCOLIOSIS | From the Greek meaning "bending", what is lateral curvature of the spine? (9) |
| KUNDALINI | From Sanskrit for "snake", coiled energy or "serpent power" at the base of the spine, according to yogis (9) |
| ORTHOPAEDICS | Branch of medicine dealing with disorders or deformities of the spine and joints (12) |