INITIATION OF EARLY TOOTH
DEVELOPMENT
BMP-4
FGF-8
SHH
WNT
Oral ectoderm
Mesenchyme (NC)
Odontogenic
Mesenchyme
Dental lamina
From:  http://bite-it.helsinki.fi; Thesleff & Mikkola (2002) In Rev Cytol 217: 93-135\