axial walls of the pulp chambers

ax·i·al walls of the pulp cham·bers

the walls parallel with the long axis of a tooth: the mesial, distal, buccal, and lingual walls.

ax·i·al walls of the pulp cham·bers

(aksē-ăl wawlz pŭlp chāmbĕrz)
Walls parallel with the long axis of a tooth: the mesial, distal, buccal, and lingual walls.