51.附圖為發育中乳牙之組織學照片,箭頭所指之帶狀構造為:
(A)牙板(dental lamina)
(B)牙乳頭(dental papilla)
(C)退化性牙釉上皮(reduced enamel epithelium)
(D)上皮橫膈(epithelial diaphragm)
答案:登入後查看
統計: A(156), B(17), C(1241), D(271), E(0) #2756620
統計: A(156), B(17), C(1241), D(271), E(0) #2756620