53.牙骨質(cementum)種類與位置的配對,下列何者錯誤?
(A)無細胞無纖維性牙骨質(acellular afibrillar cementum)-牙釉質靠近齒頸部
(B)無細胞外纖維性牙骨質(acellular extrinsic fiber cementum)-根尖三分之一
(C)有細胞混合性分層牙骨質(cellular mixed stratified cementum)-牙根分叉
(D)有細胞內纖維性牙骨質(cellular intrinsic fiber cementum)-吸收腔隙(resorption lacunae)
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統計: A(68), B(705), C(54), D(103), E(0) #3198151
統計: A(68), B(705), C(54), D(103), E(0) #3198151
詳解 (共 3 筆)
#6168069
6.cementum是礦化無血管的結締組織,可分為三類,下列那一類位在靠根尖一半的牙根上?
(A) 無細胞及無纖維牙骨質(acellular afibrillar cementum)
(B) 無細胞及有外在纖維牙骨質(acellular extrinsic fiber cementum)
(C) 有細胞及有內在纖維牙骨質(cellular intrinsic fiber cementum)
(D) 有細胞及有外在纖維牙骨質(cellular extrinsic fiber cementum)
綜合這兩題
acellular afibrillar cementum : CEJ
acellular extrinsic fiber cementum : coronal portion of root
cellular intrinsic fiber cementum : middle portion of root~root apex、furcation、resorption lacunae
cellular mixed stratified cementum : middle portion of root~root apex、furcation
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