Fig. 1.50 Mechanism for referred pain from an inflamed appendix to the T10 dermatome.
Table 1.1 The approximate dosage of radiation exposure as an order of magnitude
In the clinic
These are extra bones that are not usually found as part of the normal skeleton, but can exist as a normal variant in many people. They are typically found in multiple locations in the wrist and hands, ankles and feet (Fig. 1.13). These should not be mistaken for fractures on imaging.