这个词是什么意思？
A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009270 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.