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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «I»:

  1. Intern Intern
    Intern: In medicine, a doctor who has completed medical school and is engaged in a year of additional training at a hospital before residency. An intern may, for example, be in pediatrics or medicine (internal medicine). The internship year is often quite rigorous....
  2. Internal bleeding Internal bleeding
    Internal bleeding: Bleeding inside the body that is not seen from the outside. Internal bleeding occurs when damage to an artery or vein allows blood to escape the circulatory system and collect inside the body. The internal bleeding may occur within tissues, organs, or in cavities...
  3. Internal cardiac defibrillator Internal cardiac defibrillator
    Internal cardiac defibrillator: A device put within the body that is designed to recognize certain types of abnormal heart rhythms (arrhythmias) and correct them. Defibrillators continuously monitor the heart rhythm in order to detect overly rapid arrhythmias such as Ventricular tachycardia (rapid...
  4. Internal carrier Internal carrier
    Internal carrier: In the drug trade, an individual used to transport internally concealed illicit drugs. Also called a body packer. See: Body packer....
  5. Internal ear Internal ear
    Internal ear: There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The internal ear is far and away the most highly complex. The essential component of the inner ear for hearing is the membranous labyrinth where the fibers of the auditory nerve (t...
  6. Internal fixation Internal fixation
    Internal fixation: A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices such as metal plates, pins, rods, wires or screws. Internal fixation is as opposed to external fixation of a fracture by a splint or cast....
  7. Internal genitalia, female Internal genitalia, female
    Internal genitalia, female: See: Female internal genitalia....
  8. Internal genitalia, male Internal genitalia, male
    Internal genitalia, male: See: Male internal genitalia....
  9. Internal jugular vein Internal jugular vein
    Internal jugular vein: The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and convey it toward the heart. The internal jugular vein collects blood from the brain, the outside of the face and the neck. It runs down the inside of the neck outside the i...
  10. Internal medicine Internal medicine
    Internal medicine: A medical specialty dedicated to the diagnosis and medical treatment of adults. A physician who specializes in internal medicine is referred to as an internist. A minimum of seven years of medical school and postgraduate training are focused on learning the prevention, diagnosis, ...
  11. Internal pacemaker Internal pacemaker
    Internal pacemaker: A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted (internally) within the body. Although there are dif...
  12. Internal radiation therapy Internal radiation therapy
    Internal radiation therapy: Radiation therapy in which radioactive material is placed in or near a tumor....
  13. International AIDS Vaccine Initiative International AIDS Vaccine Initiative
    International AIDS Vaccine Initiative: See: IAVI....
  14. International normalized ratio International normalized ratio
    International normalized ratio: A system, commonly called the INR, established by the World Health Organization (WHO) and the International Committee on Thrombosis and Hemostasis for reporting the results of blood coagulation (clotting) tests. All results are standardized using the international sen...
  15. International unit (IU) International unit (IU)
    International unit (IU): An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used for the fat-soluble vitamins (such as vitamins A, D and E) and certain hormones, enzymes, and biologicals (such as vaccines). The definition of an international ...