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河豚毒素（ＴＴＸ）中毒的主要症状是麻痹，中毒出现在食后２０ｍｉｎ～３ｈ，致死时间最短为１５ｈ，一般约８ｈ。作者用同位素示踪法研究了小鼠ｉｖ注射１２５ＩＴＴＸ的代射动力学，并对其在脏器组织中的分布特征进行了探讨。１ 组织分布小鼠静脉注射１２５ＩＴＴＸ
Tetrodotoxin (TTX) poisoning is the main symptom paralysis, poisoning occurs in the postprandial 20min ~ 3h, the shortest lethal time is 1 5h, usually about 8h. The authors used isotope tracer method to study the iv injection kinetics of 125I -TTX mice, and its distribution in the organ tissue characteristics were discussed. 1 tissue distribution mice intravenous 125I TXT