Chick Embryo に於ける Alkaline Phosphatase の組織発生に関する研究

概要

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In spite of great progress in enzymological, chemical and histo-chemical resarch of alkaline-phosphatase in recent years, there are many unsolved problems. A few reports of the histogenesis of alkaline-phosphatase have been published. Dr. Furuichi reported the distribution of alkaline-phosphatase in organs and tissues of chick embryo in 1942. The histogenesis of this enzym was not refered in his report. The principal objective for this study is consisted in difficulty of resarching the histogenesis of this enzym by histochemical method. A total of 100 ckick embryos dating from 2 to 20 days was used. The results obtained are showed in the following table. [table] In almost all the tissues and organs, the A. P. reaction was remarkably observed in the early embryonic stages, and then it became gradually feeble. Degree of A. P reaction is due mainly to verocity of growth. The alkaline phosphatase reaction is presumably produced in all progressive early embryonic tissues and organs.
九州歯科学会の論文