Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «D»:
Discordant: 1. Showing discordance, lack of agreement. A couple may be discordant for a sexually transmitted infection, with one partner having it and the other not.
2. In transplantation genetics, between different species. A discordant xenograft is a transplant between members of very differe...
Discordant couple: A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not. The CDC has guidelines for counseling discordant couples in which the woman is HIV-infected and her husband is HIV-uninfected....
Disease: Illness or sickness often characterized by
patient problems (symptoms) and physical findings (signs). Disruption
sequence: The events
that occur when a fetus that is developing normally is subjected to a
such as the rubella (German measles) virus. ...
Disease names: See: Disease nomenclature....
Disease nomenclature: A system of classifying and naming diseases. The contemporary categories and codes for diseases are outlined in the World Health Organization's "International Classification of Diseases." Within some medical fields, there are standard nomenclatures. For example, DSM-IV, the 4th...
Disease surveillance: The ongoing systematic collection and analysis of data and the provision of information which leads to action being taken to prevent and control a disease, usually one of an infectious nature....
Disease, acute respiratory
Disease, acute respiratory: A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower than normal....
Disease, Addison: Long-term underfunction of the
outer portion of the adrenal gland. In medical terms, chronic
insufficiency of the adrenal
cortex. This may be due to a number of different insults to the
adrenal including physical
trauma, hemorrhage, and tuberculosis of the adrenal, and destructio...
Disease, adult celiac
Disease, adult celiac: This condition results from an
immune (allergic) reaction to gluten, a protein found in wheat and related grains and
present in many foods that we eat. Sprue causes impaired absorption and digestion of
nutrients through the small intestine. Symptoms include frequent diarrhea a...
Disease, Alexander: See: Alexander disease....
Disease, Alpers: See: Alpers disease....
Disease, alveolar hydatid
Disease, alveolar hydatid: A parasitic disease caused by the larval stage of a microscopic tapeworm called Echinococcus multilocularis. See: Alveolar hydatid disease....
Disease, Alzheimer: See: Alzheimer disease....
Disease, Anderson-Fabry: See: Fabry disease....
Disease, autoimmune: See Autoimmune disease....