The nerves of your hand and wrist originate from the structure called the brachial plexus which is found proximally in the basis from the neck and axillary area. Each individual phalanx has two facilities of ossification, the 1st one particular for the body or shaft, and the next for the base https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/