出处：按学科分类—医药、卫生 中医古籍出版社《国内外药品名称辞典》第614页（343字）
从母猪卵巢的黄体中获得的以豚鼠子宫的活性单位标定效价的子宫松弛因子。
A uterus-relaxing factor obtained from the corpus luteum of sow ovaries and standardized for potency in terms of units of activity on the guinea pig uterus．
子宫松弛药。
Lututrin，Lutrexin．
MI．