Appearance pattern of tooth germs with developmental process inMylopharyngodon piceus |
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| Authors: | Yue Pei-qi Nakajima Tsuneo |
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| Institution: | (1) Institute of Hydrobiology, Chinese Academy of Sciences, 430072 Wuhan;(2) Lake Biwa Museum Project Office, 520 Otsu, Shiga Prefecture, Japan |
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| Abstract: | The pharyngeal dental formula ofMylopharyngodon piceus is 4–5 as a rule, and the dentition is asymmetrical. It is difficult to identify each tooth in the larval dentition. In this
paper the appearance pattern of tooth germ with development process in this fish is described in detail. The formation pattern
of the left dentition is contrasted with that of the right one. In the developmental process, the left pharyngeal dentition
lacks teeth at position An3. Thus the left dentition is D-type as designated by Nakajima (1984), while the right one is A-type.
This project was funded by the International Cooperation of Japan-China and the National Natural Science Foundation of China. |
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| Keywords: | Mylopharyngodon piceus appearance pattern of teeth tooth germs developmental process |
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