Animal experiments proved that vitamin A and folic acid deficiency or over-dose in the duration of pregnancy caused fetal mice anomalies. But there are no reports about the influence of vitamin A and folic acid on the anorectal upgrowth.
动物实验证实孕期维生素A和叶酸缺乏或过量均可导致子代鼠出现相关系统的畸形,但是否影响肛门直肠发育还未见相关研究报道。
参考来源 - 肛门直肠畸形肠壁内神经支配的相关研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT If someone takes an overdose of a drug, they take more of it than is safe. (用药) 过量
Each year, one in 100 girls ages 15-19 takes an overdose.
每年，100个15至19岁的女孩中就有１个用药过量。
V-I If someone overdoses on a drug, they take more of it than is safe. 过量服用
He'd overdosed on heroin.
他过量吸食了海洛因。
N-COUNT You can refer to too much of something, especially something harmful, as an overdose. 太多的 (有害) 物质
An overdose of sun, sea, sand and chlorine can give lighter hair a green tinge.
过多的阳光、海水、沙和氯会给更浅色的头发带来点绿色。
V-I You can say that someone overdoses on something if they have or do too much of it. 过度拥有; 过度从事
The city, he concluded, had overdosed on design.
他下结论说，这座城市进行了过度的设计。
She was trying to help a drug addict and the patient took the whole bottle of medicine and died of over-dose.
当时她正试著要帮助一位用药成瘾的病人，没想到那病人竟然把整罐药吞下去，也因此服药过量而死。
According to the analysis of the flavor and sensory perception of dairy products, different kinds of dairy essence can be created by compounding over-dose of some trace monomer component.
根据对奶类制品的香气分析和感官感知，对一些微量单体原料用过度剂量的调配方法配制不同的奶类香精。
The use of any antimicrobial for any infection, in any dose, and over any time period, forces microbes to either adapt or die in a phenomenon known as “selective pressure”.
针对某种感染使用某一剂量的某种抗菌剂一段时间，会迫使微生物或是适应，或是死亡；这种现象称为“选择压力”。
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