生物学专业英语词汇(字母U-Z).docx

生物学专业英语词汇(字母U-Z)

第一篇：生物学专业英语词汇(字母U-Z)ubiquinone辅酶qubiquist普遍种udder乳房ulcer溃疡ulna尺骨ultimateconsumer末级消费者ultimobranchialbody后鳃体ultrathinsection超薄切片ultravioletradiation紫外线放射ultracentrifugation超速离心法ultracentrifuge超速离心机ultrafilter超滤器ultrafiltration超滤ultramicroscope超显微镜ultramicroscopicorganism超显微生物ultramicrotome超薄切片机ultraplankton超微型浮游生物ultrasonicsound超声波ultrasonication超声波处理ultrasonics超声波ultrastability超稳定性ultrastructure超微细结构ultravioletabsorption紫外线吸收ultravioletlamp紫外灯ultravioletlight紫外线ultravioletmicroscope紫外光显微镜ultravirus过滤性病毒umbel伞形花序umbellule小伞花序umbilicalcord脐带umbilicalvein脐静脉umbilicalvesicle脐囊umbilicus脐umbo壳顶umbrella伞膜unbalance不平衡unbalancedgrowth不平衡生长unbalancedpolyploidy不平衡多倍性uncinatehair钩毛unconditionedreflex无条件反射unconditionedresponse无条件反应unconditionedstimulus无条件剌激unconsciousselection无意识淘汰uncoupling解偶联uncouplingagent解偶联剂understory下木underdevelopment发育不全underglandshoot地下枝条undergroundpart地下部分undergroundwater地下水undergrowth下木undernourishment营养不良undershrub小灌木underwood下木undifferentiation未分化undulatecolony波形菌落undulatingmembrane波动膜undulatingmovement波形运动undulation波动unequalbivalent不等二价染色体unevenagedforest异龄林unfertilizedegg未受精卵unfolding伸展ungulates有蹄类unhulledrice稻谷unicellular单胞的unicellularculture单细胞培养unicellularorganism单细胞生物unifacialleaf单面叶unifaciality单面性uniformdistribution等分布uniformvarietycropping单一品种栽培uniformitarianism齐一说uniformity均匀性unilateralatrophy单侧面萎缩unilateralinheritance单侧遗传unilinearinheritance单线遗传unilocular一室的unilocularsporangium单室囊uninuclear单核的uniovulartwins单卵双生unipetalous单瓣的uniquesequence单一序列unisexualflower单性花unisexuality单性unistratalcommunity单层群落unit单位unitcharacter单位性状unitmembrane单位膜unitofenzyme酶单位unitofvegetation植被单位univalent一价染色体univalentchromosome一价染色体universalbuffer万能缓冲液universalcode普遍密码universalveil外菌膜universality通用性universalityofthegeneticcode遗传密码的普遍性universe宇宙unripe末热的unsaturatedfattyacid不饱和脂肪酸upland山地uplandmeadow山地单旬upperarm上臂uppereyelid上睑upperjawbone上颌骨upperlayer上层upperleaf高出叶upperlip上唇upperstratum上层uptake摄取uracil尿嘧啶urea脲ureabacterium尿素细菌ureacycle鸟氨酸循环ureaherbicid