The wedge of bone positioned between the superior and inferior articulating processes for C2-6 is referred to as:

articular pillar
dens
pars interarticularis
lateral mass


articular pillar

Rationale: The articular pillar is the wedge of bone positioned between the superior and inferior articulating processes on cervical vertebrae C2-6 . The lateral mass is the wedge of bone between the superior articular facet and inferior articulate process on C1.

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