Methemoglobin
A form of hemoglobin that is incapable of carrying oxygen, sometimes found in the blood after certain poisonings, such as with aniline, nitrates, and other compounds.
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- Methemoglobinemia
MedscapeReference.com. Methemoglobinemia in Emergency Medicine.
- Methicillin
A semisynthetic penicillin-related antibiotic, also known as Staphcillin, that once was effective against staphylococci (staph) resistant to penicillin because they produce the enzyme penicillinase. Rarely used now, methicillin has been largely superceded by Vancomycin. Over the past 50 years, staph bacteria have become resistant to various antibiotics, including the commonly used penicillin-related antibiotics, including methicillin. […]
- Methicillin-resistant staphylococcus aureus
Staphylococcus aureus (a type of staph bacteria) resistant to the antibiotic methicillin. Abbreviated MRSA. MRSA first appeared among people in hospitals and other health facilities, especially among the elderly, the very sick, and those with an open wound, an IV catheter, or a urinary catheter. MRSA has since been found to cause illness in the […]
- Method, rhythm
Also known as fertility awareness, natural family planning, and periodic abstinence, this approach to contraception entails not having sexual intercourse on the days of a woman’s menstrual cycle when she could become pregnant or using a barrier method (such as a condom, the diaphragm or a cervical cap) for birth control on those days. Because […]
- Methyl bromide
A fumigant gas that is an effective pesticide. Methyl bromide has been used to treat the soil, grain bins, and many agricultural products. Because it contains bromine, it depletes stratospheric ozone when released to the atmosphere. Among agricultural workers who apply pesticides, the risk of prostate cancer have been found to rise with increasing frequency […]