肖定氏螺旋体属：Sambon(1907)建议的对一组出现在血液中的螺旋形微生物的命名，其中大多数现已列入包柔氏螺旋体属和密螺旋体属- mentotransverse
- mentum
- Menyanthes
- meobentine sulfate
- meotestrus
- mepacrine hydrochloride
- mepartricin
- mepazine acetate
- mepenzolate bromide
- meperidine hydrochloride
- mephenamine
- mephenesin
- mephenoxalone
- mephentermine sulfate
- mephenytoin
- mephitic
- mephitis
- mephobarbital
- Mephyton
- mepivacaine hydrochloride
- Meprane
- meprednisone
- meprobamate
- Meprospan
- Meprotabs