FIG 4-1

Developing pulp

The dental papilla will become the pulp (P) in this bell stage developing tooth (H and E stain; ×40).

FIG 4-3

Developing pulp

Developing pulp (P) in a crown stage tooth. Arrow indicates the future apical foramen (H and Lee stain; ×16).

FIG 4-4

Developing pulp

Higher magnification of the developing pulp shown in Fig 4-3. The cells now look more like fibroblasts. Cell density is decreased and capillaries (C) have increased (×400).