盐酸吗啡对大头金蝇生长发育的影响及其对死者死亡时间推断的意义

›› 2004, Vol. 47 ›› Issue (6): 715-718.

盐酸吗啡对大头金蝇生长发育的影响及其对死者死亡时间推断的意义

田洁，张孟余，何斌，李泽民，王伯霞

出版日期:2004-12-20 发布日期:2004-12-20

Effect of morphine in rabbit tissues on growth of Chrysomya megacephala (Diptera: Calliphoridae) and its implication for estimation of postmortem intervals

TIAN Jie^1，２, ZHANG Meng-Yu^１*, HE Bin³, LI Ze-Min^１, WANG Bo-Xia^１

Online:2004-12-20 Published:2004-12-20
Contact: ZHANG Meng-Yu

摘要/Abstract

摘要： 用盐酸吗啡注射家兔，处死后用家兔的不同组织饲养大头金蝇 Chrysomya megacephala初孵幼虫，研究吗啡剂量对大头金蝇幼虫生长的影响及其在法医学中推断死者死亡时间方面的应用。结果显示，在28℃下，取食处理组兔肉和肝脏的大头金蝇幼虫的体长和体重均于孵化后28 h开始在不同程度上大于对照组幼虫，这种趋势一直持续到幼虫末期。在实验的剂量范围内（2.67～10.66 mg/kg），吗啡可促进大头金蝇幼虫的生长。根据大头金蝇幼虫体长和体重推断死者死亡时间时，吗啡的这种影响可使推断值产生的最大偏差达18h。

关键词: 大头金蝇, 盐酸吗啡, 法医昆虫学, 死亡时间

Abstract: Rabbits were injected with morphine hydrochloride. After the rabbits were killed, their different tissues were used to feed the newly-hatched larvae of Chrysomya megacephala. The effect of morphine of different doses on the growth of larvae and its implication for the estimation of postmortem interval (PMI) were studied. The deviation of PMI estimation based on larvae growth was calculated. The results showed that at 28℃, starting at 28 h during the growth-circle the lengths and weights of larvae that fed on the muscles and livers of the rabbits injected with morphine hydrochloride were larger than those from the control in different extents and this trend continued into the late phase of larvae growth-circle. Within the range of morphine doses designed for this experiment (2.67-10.66 mg/kg), morphine could accelerate the growth of larvae. Morphine could result in a maximum PMI deviation of 18 hours when the growth rates of the larvae was used to judge PMI.

Key words: Chrysomya megacephala, morphine hydrochloride, forensic entomology, postmortem interval

田洁，张孟余，何斌，李泽民，王伯霞. 盐酸吗啡对大头金蝇生长发育的影响及其对死者死亡时间推断的意义[J]. , 2004, 47(6): 715-718.

TIAN Jie^1，２, ZHANG Meng-Yu^１*, HE Bin³, LI Ze-Min^１, WANG Bo-Xia^１. Effect of morphine in rabbit tissues on growth of Chrysomya megacephala (Diptera: Calliphoridae) and its implication for estimation of postmortem intervals[J]. , 2004, 47(6): 715-718.

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