48.牙齒發育過程中,顯著的細胞分化(cell differentiation and histo-differentiation)起始於下列那一時期?
(A)牙根期(root stage)
(B)蕾期(bud stage)
(C)鐘形期(bell stage)
(D)牙冠期(crown stage)
答案:登入後查看
統計: A(4), B(241), C(1815), D(65), E(0) #1947211
統計: A(4), B(241), C(1815), D(65), E(0) #1947211
詳解 (共 3 筆)
#6508264
開始分化:CAP stage
顯著分化:BELL stage
牙齒型態:BELL stage
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