The dorsal and ventral interossei are missing, even so the ring and middle fingers are not clawed a result of the existence on the intact 1st and 2nd lumbricals, which can be innervated via the median nerve. Each phalanx has two centers of ossification, the 1st 1 for the body https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/