diapophysis

< /ˌdaɪ əˈpɒf əˌsiz/. Anatomy, Zoology.

1. the part of the transverse process of a thoracic vertebra that articulates with its corresponding rib.

noun plural -ses (-ˌsiːz)

1. anatomy the upper or articular surface of a transverse vertebral process

n. pl. di•a•poph•y•ses (-sēz′)

1. The superior or articular surface of the transverse process of a vertebra.