49.在牙釉質表層或表面可見到下列何者?
(A)亨特-許雷格帶(Bands of Hunter and Schreger)
(B)Nasmyth氏膜
(C)與表面牙釉質結合之牙釉叢
(D)延伸至表面之牙釉梭
答案:登入後查看
統計: A(160), B(426), C(62), D(127), E(0) #1038975
統計: A(160), B(426), C(62), D(127), E(0) #1038975
詳解 (共 4 筆)
#6269876
Nasmyth membrane = primary enamel cuticle
在牙齒要萌發時覆蓋在enamel之上,保護enamel 不被dental sac細胞吸收
萌發後很快就會因磨損、咀嚼而消失,進而被唾液形成的pellicle取代
在牙齒要萌發時覆蓋在enamel之上,保護enamel 不被dental sac細胞吸收
萌發後很快就會因磨損、咀嚼而消失,進而被唾液形成的pellicle取代
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#3760037
ACD都在DEJ附近
7
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#5500030
Nasmyth's membrane, the primary dental cuticle, is the product of ameloblasts, which quickly disappear after eruption
primary enamel cuticle
A thin membrane of tissue consisting primarily of basal lamina that is produced by ameloblasts and covers the erupting tooth, which is worn away by chewing and cleaning.
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