53.牙本質形成時,微血管不會出現於下列何處?
(A)牙本前質(predentin)
(B)造牙本質細胞層(odontoblastic layer)
(C)造牙本質細胞下層(subodontoblastic layer)
(D)髓柱區(pulp core)
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統計: A(382), B(42), C(16), D(10), E(0) #3489921
統計: A(382), B(42), C(16), D(10), E(0) #3489921