postaxial

/poʊstˈæksiəl/
adjective
  1. Located behind or on the posterior side of an axis, especially in anatomy or biology.
    • The doctor noted a small postaxial bump on the patient's wrist.
    • The postaxial muscles of the forearm help control fine finger movements.
    • In vertebrate embryos, the postaxial region develops into the tail and lower limbs.
Antonyms