Ameloblast develop from -
Mesoderm
Endoderm
Neural crest
Ectoderm
Ans. is 'd' i.e., Ectoderm * Various parts of teeth are derived asA) Dental papillae (mesoderm of neural crest origin) give rise to :i) Odontoblasts which form dentine.ii) Dental pulp.B) Enamel organ (ecdoderm) give rise to ameloblasts which form enamel and dental cuticle.C) Mesenchyme around tooth give rise to cementum and periodontal ligaments.
Embryology