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前列腺素(PG)是一种激素,30年代初发现乎精液中,以后证明全身各种组织(例如子宫、肺、脑、胸腺、脊髓和肾脏等)均可合成PG。PG是由20个碳原予组成,其基本结构是五碳环连接两条侧链,根据五碳环的不同将PG分为八型,常见的是E、F、A、B4型,少见的有C、D、H、G4型。根据侧链上双键数目多少,分为PG_1、PG_2、PG_3三类。上
PG, a hormone found in semen in the early 1930s, later demonstrated that PG can be synthesized in various tissues of the body such as the uterus, lung, brain, thymus, spinal cord and kidneys. PG consists of 20 carbon atoms of the original composition, the basic structure is the five-carbon ring connecting the two side chains, according to the five-carbon ring will be divided into eight PG-type, common are E, F, A, B4, rare There C, D, H, G4 type. According to the number of double bonds on the side chain, divided into PG_1, PG_2, PG_3 three categories. on