牙乳頭(dental papilla)中之未分化外胚層間葉組織(undifferentiated ectomesenchyme)中之細胞,分化成造牙本質細胞(odontoblast),主要受到下列那一種細胞之誘導作用(induction)?
A內牙釉上皮細胞(inner enamel epithelial cells)正確答案
B外牙釉上皮細胞(outer enamel epithelial cells)
C中間層細胞(cells of stratum intermedium)
D星形網狀層細胞(cells of stellate reticulum)
答案與詳解
