Created by: winniexiaqing
Number of Blossarys: 1
English (EN) A microorganism—in the widest sense, such as a virus, bacterium, prion, or fungus—that causes disease in its host. The host may be an animal (including humans), a plant, or even another microorganism.
指可造成人或动物感染疾病的微生物（包括细菌、病毒、立克次氏体、寄生虫、真菌）或其他媒介（微生物重组体包括杂交体或突变体）。
The final straight portion of the large intestine in some mammals, and the gut in others.
直肠是自肛缘起向上15cm的一段大肠。直肠周围多脂肪、无纵带，位于膀胱和生殖器官的背侧。直肠的动脉血供主要是来自肠系膜下动脉的直肠上动脉，来自髂内动脉的直肠中动脉和来自髂内动脉的直肠下动脉。
The biological process by which new "offspring" individual organisms are produced from their "parents". Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction.
A parasite is an organism that has sustained contact with another organism to the detriment of the host organism.
A mutation is a change in the nucleotide sequence of the genome of an organism, virus, or extrachromosomal genetic element.
是指细胞中的遗传基因（通常指存在于细胞核中的脱氧核糖核酸）发生的改变。它包括单个碱基改变所引起的点突变，或多个碱基的缺失、重复和插入。原因可以是细胞分裂时遗传基因的复制发生错误、或受化学物质、辐射或病毒的影响。
