There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the sacral region. There are 3 to 5 coccygeal vertebrae, which are fused as one bone and known as the coccyx ...
The vertebrae that form the coccyx are the last remaining evidence that our ancestors once had tails, but in modern-day ...
also known as coccydynia is a pain or discomfort that occurs in the coccyx, the small triangular bone in the base of the ...