这个词是什么意思？
A psychoactive compound extracted from the resin of Cannabis sativa (marihuana, hashish). The isomer delta-9-tetrahydrocannabinol (THC) is considered the most active form, producing characteristic mood and perceptual changes associated with this compound.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013759 · MeSH 2026。
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