Dictionary

infectious hepatitis immunization See hepatitis A immunization.

infectious mononucleosis See mononucleosis.

infertile Unable to conceive despite regular intercourse without contraception. Infertility can be due to many causes related to problems with the male, female, or both. Many types of infertility are treatable. Using medications or assisted reproductive tecnologies. See also conception; infertility.

infertility Diminished or absent ability to conceive and bear offspring. A couple is considered to be experiencing infertility if conception has not occurred after 12 months of sexual activity without the use of contraception. Infertility can have many causes and may be related to factors in the male, female, or both. Treatments can include medications…

infiltrate To penetrate. For example, a cancer may grow into, or infiltrate, surrounding tissues.

infiltrating ductal carcinoma of the breast See breast, infiltrating ductal carcinoma of the.

infiltrating lobular carcinoma of the breast See breast, infiltrating lobular carcinoma of the.

inflammation A localized reaction that produces redness, warmth, swelling, and pain as a result of infection, irritation, or injury. Inflammation can be external or internal.

inflammatory bowel disease See bowel disease, inflammatory.

influenza An illness caused by viruses that infect the respiratory tract. These viruses are divided into three types, designated A, B, and C. Symptoms of influenza include fever, appetite loss, an achy feeling throughout the body, and weakness. Most people who get influenza recover completely in 1 to 2 weeks, but some people develop serious…

influenza vaccine An immunization against certain types of the influenza virus. The “flu shot” is an inactivated vaccine (containing killed virus) given with a needle. The nasal-spray flu vaccine is a vaccine made with live, weakened flu viruses (sometimes called LAIV for “Live Attenuated Influenza Vaccine”). The viruses in the vaccine change each year based…

informatics The application of computers and statistics to the management of information.