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The process of synthesizing saxitoxin is not simple involving dozens of steps .

合成石房蛤毒素的过程并不简单，包含了很多步骤。

This glycoside saxitoxin hybrid goes to work in the blood stream instantly .

蛤蚌毒素配糖混合制剂在血液中立刻起作用。

Saxitoxin , a poison released by the red tide , accumulates in shellfish .

赤潮藻释放的毒素之一蛤蚌毒素（saxitoxin），在贝类动物体内积累。

It 's possible that saxitoxin could work as a chemical defense against other bacteria , perhaps via the potassium channel in bacteria that functions similarly to the sodium channel in higher organisms .

石房蛤毒素很可能是用于抵御其他细菌的，也许它作用于细菌的钾离子通道和作用于高等生物的钠离子通道具有一样的效果。

Saxitoxin acts on humans ( and other organisms ) by blocking the sodium channels in cell membranes in the nervous system and brain-preventing neurons from firing and leading to numbness and paralysis .

石房蛤毒素作用于人体（以及其他有机体）时，会阻断大脑及神经系统细胞膜上的钠离子通道，防止神经元电位变化，导致麻木和瘫痪。