It is similar in structure to the coccygeal body which is situated on the median sacral artery.
Both of these sides have transverse grooves that show where the vestigial coccygeal units had previously fused.
In some older texts, it is a rough approximation of the coccygeal plexus.
These are grouped into the corresponding regions of the spinal column namely cervical, thoracic, lumbar, sacral and coccygeal.
The chain extends from the upper neck down to the coccyx, forming the unpaired coccygeal ganglion.
Both coccydynia and coccygeal tumors may require surgical removal of the coccyx (coccygectomy).
The most cranial (uppermost) part is made up by the cervical vertebrae (7), followed by thoracic (12), lumbar (5), sacral (45) and coccygeal vertebrae (34).
The dock consists of the muscles and skin covering the coccygeal vertebrae.
