(coccyg-, coccygo-) combining form denoting the coccyx. Example: coccygectomy (excision of).
The lower end of the SPINAL COLUMN, resembling a bird’s beak and consisting of four fused nodules of bone; these represent vertebrae and correspond to the tail in lower animals. Above the coccyx lies a much larger bone, the SACRUM, and together they form the back wall of the PELVIS, which protects the organs in the lower ABDOMEN.... coccyx