① 特殊的单复数(单数→复数)
       •a→ae    ▲aortae-aortae[主动脉]
                 ▲pleura-pleurae[胸膜]
       •us→i     ▲coccus-cocci[球菌]
                 ▲bacillus-bacilli[杆菌]
       •um→a    ▲serum-sera[血清]
                 ▲bacterium-bactera[细菌]
       •on→a    ▲phenomenon-phenomena[现象]
                 ▲criterion-criteria[标准]
       •x→ces    ▲cortex-cortices[皮质]
                 ▲appendix-appendices[阑尾]
                 ▲thorax-thoraces[胸廓] 
       •x→ges    ▲pharynx-pharynges[咽]
                 ▲larynx-larynges[喉]
       •is→es    ▲crisis-crises[危象]
                 ▲analysis-analyses[分析]
       •ma→mata   ▲trauma-traumata[创伤]
                 ▲hemotoma-hemotomata[血肿]
       •men→mina   ▲lumen-lumina[腔]
                 ▲abdomen-abdomina[腹]
       2、字母可互通使用医学 全在.线提供
       •ae-e     ▲haemorrhage-hemorrhage[出血]
                 ▲aetiology-etiology[病因]
       •oe-e     ▲oedema-edema[水肿]
                 ▲oesophagus-esophagus[食管]
       •ou-u     ▲oulitis-ulitis[牙龈炎]
                 ▲ouroscopy-uroscopy[尿检]
       •ph-f     ▲sulphate-sulfate[硫酸盐]
                 ▲sulphonamide-sulfonamide[磺胺]
       •k-c     ▲EKG-ECG[心电图]
                 ▲leukocyte-leucocyte[白细胞]
                 ▲Katabolism-catabolism[分解代谢]
       •y-i     ▲syrup-sirup[糖浆]
       3、英美的不同拼写形式(英-美)
       •our(英)-or(美)   ▲colour-color[颜色]
             ▲tumour-tumor[肿瘤]
       •re-er     ▲centre-center[中心]
             ▲metre-meter[米]
       •yes-yze    ▲analyse-analyze[分析]
             ▲paralyse-paralyze[瘫痪]
       •xion-ction   ▲connexion-connection[连接]
             ▲reflexion-reflection[反射]
       •mme-m    ▲gramme-gram[克]
       •ogue-og    ▲dialogue-dialog[对话]
             ▲catalogue-catalog[目录]
       •c-k     ▲disc-disk[软盘]
             ▲sceptic-skeptic[怀疑论者]
       4、词根交替现象
       •mouth[口]-oral[口的]
       •tooth[牙齿]-dental[牙齿的]
       •tongue[舌]-lingual[舌的]
       •ear[耳]-aural[耳的]
       •nose[鼻]-nasal[鼻的]
       •eye[眼]-ophthalmic[眼的]
       •skin[皮肤]-dermal[皮肤的]
       •heart [心]-cardiac[心脏的]
       •liver[肝]-hepatic[肝的]
       •stomach[胃]-gastric[胃的]
       •lung[肺]-pulmonary[肺的]
       •kideny[肾]-renal[肾的]
       •neck[颈]-cervical[颈的]
       •chest[胸]-thoracic[胸的]
       •brain[脑]-cerebral[脑的]
       •nerve[神经]-neural[神经的]
       •rib[肋骨]-costal[肋骨的]
       •mother[母]-maternal[母亲的]
       •heat[热]-thermal[热的]
       •bone[骨]-bony[骨的]
       •virus[病毒]-viral[病毒的]
       •saliva[唾液]-salivary[唾液的]
       •respiration[呼吸]-respiratory[呼吸的]
       •joint[关节]-arthritis[关节炎]
       •kidney[肾]-nephritis[肾炎]
       •nerve[神经]-neuritis[神经炎]
       •lioer[肝]-hepatitis[肝炎]
       •brain[脑]-encephalitis[脑炎]
       •stomache[胃]-gastritis[胃炎]
       •artery[动脉]-arteritis[动脉炎]
       •bronchus[支气管]-bronchitis[支气管炎]
       •heart[心]-cardiology[心脏病学]
       •eye[眼]-ophthalmology[眼科学]
       •cell[细胞]-cytology[细胞学]
       •tumor[肿瘤]-oncology[肿瘤学]
       •disease[病]-pathology[病理学]
       •drug[药]-pharmocology[药理学]
       •parasite[寄生虫]-parasitology[寄生虫学]
       •bacterium[细菌]-bacteriology[细菌学]
       •cell[细胸]-cyto-[细胞]
       •blood[血]-hemo-[血]
       5、常用拉丁短语
       •ad arbitrium[随意地]
       •ad decubitum[临睡时]
       •ad effectum[直至有效]
       •ad interim[暂时]
       •ad libitum（ad lib）[随意]
       •ad usum externum[外用]
       •ad usum internum[内服]
       •ante caenam[晚饭前]
       •ante cibum[饭前]
       •ante horam decubitus[睡前]
       •ante jentaculum[早饭前]
       •ante meridiem(A.M)[上午]
       •bis in die(B.i.d)[每天二次]
       •curriculum vitae (C.V)[简历]
       •et al (et alia)[等等]
       •exmpli gratia (e.g)[例如]
       •id est (i.e)[即]
       •in brevi[简言之]
       •in situ[原位]
       •in vitro[体外]
       •in vivo[体内]
       •locus in quo[现象]
       •note bene(N.B)[注意]
       •per annum[每年]
       •per centum (percent)[百分之……]
       •per diem[每日]
       •per mensem[每月]
       •per os (p.o)[经口]
       •per rectum[经直肠]
       •post meridiem （P.M）[下午]
       •post mortem[死后]
       •post partum[产后]
       •post scriptum(P.S)[附言]
       •pro dosi[一次量]
       •pro et contra (pro et con)[赞成和反对]
       •pro re nata (p.r.n)[必要时]
       •quaque die (q.d)[每天一次]
       •quaque nocte (q.n)[每晚一次]
       •quaque quarta hora(q.4h)[每4小时1次]
       •quaque secundo die(q.o.d)[每二天一次]
       •ter in die (t.i.d)[每天三次]
       •ut infra[如下所述]
       •ut supra[如上所述]
       •vice versa[反之亦然]
       •vide infra[参见下文]
       •vide supra[参见前文]
       •vide supra来源：医学全在线