antagonists
| n. | 1. | muscles having opposite effects; the contraction of one neutralizes the contraction of the other. |
| 单词 | antagonists | |||
| 释义 | antagonists
AntagonistsopioidNeurology A pain-attenuating peptide that occurs naturally in the brain, which induces analgesia by mimicking endogenous opioids at opioid receptors in the brain. See Opioid-mediated analgesia system. |
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