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A family of extremely venomous snakes which include coral snakes, cobras and sea snakes. They are widely distributed, occurring in the Southern United States, South America, Africa, Southern Asia, Australia, and the Pacific Islands. Like viperids (VIPERIDAE), they have fangs in the front part of the upper jaw which discharge venom that is neurotoxic.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D017815 · MeSH 2026。
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