Tooth Development
- Hertwig's epithelial root sheath - (HERS) cells differentiate into cementoblasts through epithelial mesenchymal transition (EMT) and also induce odontoblastic differentiation of dental papilla through epithelial-mesenchymal interaction (EMI) during the tooth root development.
- sonic hedgehog - (SHH, Shh) a secreted growth factor sonic hedgehog that binds the patched (ptc) receptor on cell membrane.
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