Clemen G, Opolka A
Zoological Institute, University of Münster, F.R.G.
Anat Anz. 1990;170(2):111-7.
Light microscopic studies of dental lamina anlagen and the form and order of primary teeth were undertaken on embryos of Ichthyophis glutinosus. The palate dental lamina responsible for the dentition of the vomers and the palatine portions of the maxillopalatines develops unpaired on the lingual sides of these bones. Similarly, the upper jaw dental lamina is undivided in the rostro-median; it originates lingual to the premaxillaries. Orally paired and aborally unpaired, the dental laminae of the lower jaw are laid down along the inner sides of their respective bony anlagen. Of these, the orally undivided dental lamina corresponds to the dental portion of the caudally fused lower jaw bones while the aboral pair of dental laminae correspond to the splenial portions. When fully developed, the primary teeth are unbladed-conical and divided. They are labio-marginal, monostichous and pleurally anchored.
对版纳鱼螈胚胎的牙板原基以及乳牙的形态和排列顺序进行了光学显微镜研究。负责犁骨和上颌腭骨腭部牙列的腭牙板在这些骨骼的舌侧不成对发育。同样，上颌牙板在吻中线上不分开；它起源于前颌骨的舌侧。下颌牙板在口侧成对而在肛侧不成对，沿着各自骨原基的内侧形成。其中，口侧不分开的牙板对应于尾侧融合的下颌骨的牙部，而肛侧的一对牙板对应于夹肌部分。乳牙完全发育时呈无刃圆锥形且有分隔。它们位于唇缘，单列排列且通过肋膜固定。
