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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «I»:

  1. Interventional Interventional
    Interventional: Pertaining to the act of intervening, interfering or interceding with the intent of modifying the outcome. As, for example, an interventional radiologist....
  2. Interventional radiologist Interventional radiologist
    Interventional radiologist: A radiologist who uses image guidance methods to gain access to vessels and organs. Interventional radiologists can treat certain conditions through the skin (percutaneously) that might otherwise require surgery. The technology includes the use of balloons, catheters, mi...
  3. Interventional radiology (IR) Interventional radiology (IR)
    Interventional radiology: Interventional radiologists employ image guidance methods to gain access to the deep interstices of most organs and organ systems. Through a galaxy of techniques, they can treat certain conditions percutaneously (through the skin) that might otherwise require surgery. (Th...
  4. Interventricular foramen Interventricular foramen
    Interventricular foramen: An opening between the lateral and third ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral ventricles, the third ventricle and the fourth ventr...
  5. Interventricular septum Interventricular septum
    Interventricular septum: The stout wall separating the lower chambers (the ventricles) of the heart from one another. A hole in the interventricular septum is termed a ventricular septal defect (VSD)....
  6. Intervertebral disk Intervertebral disk
    Intervertebral disk: A pad of cartilage between two vertebrae that acts as a shock absorber....
  7. Intervertebral foramen Intervertebral foramen
    Intervertebral foramen: An opening between vertebrae through which nerves leave the spine and extend to other parts of the body. Also called a neural foramen....
  8. Intestinal gas Intestinal gas
    Intestinal gas: The complaint referred to as "intestinal gas" is a common one and the discomfort can be quite significant. Everyone has gas and eliminates it by burping or passing it through the rectum. In many instances people think they have too much gas when in reality they have normal ...
  9. Intestinal obstruction Intestinal obstruction
    Intestinal obstruction: Blockage of the intestine by infolding (intussusception), malformation, tumor, digestive problems, a foreign body, or inflammation. Symptoms can include crampy abdominal pain, lack of ability to eliminate normal feces, and eventually shock. On examining the abdomen, the d...
  10. Intestinal parasite Intestinal parasite
    Intestinal parasite: A parasite (an organism that lives in or on and takes its nourishment from another organism) in the intestinal tract. Intestinal parasites include both helminths and protozoa. Helminths are worms such as tapeworms, pinworms, and roundworms. All of these worms can live, but ty...
  11. Intestinal pseudo-obstruction Intestinal pseudo-obstruction
    Intestinal pseudo-obstruction: Symptoms of intestinal obstruction with no sign of actual physical obstruction. This condition may be due to problems with the nerves that control intestinal muscles or other causes. Treatment depends on the cause....
  12. Intestinal villus Intestinal villus
    Intestinal villus: A tiny projection from the surface of the small intestine which helps absorb nutrients and fluids....
  13. Intestine Intestine
    Intestine: The long, tubelike organ in the abdomen that completes the process of digestion. It consists of the small and large intestines. ...
  14. Intestine, large Intestine, large
    Intestine, large: The tubelike organ that completes the process of digestion, receiving material from the small intestine. It has four parts: the cecum (caecum), the appendix (vermiform appendix), the colon, and the rectum. Once the products of digestion enter the cecum through the ileocecal va...
  15. Intestine, small Intestine, small
    Intestine, small: The tubelike organ that receives the products of digestion from the stomach. It has three parts, the duodenum, the jejunum, and the ileum. The duodenum is rich in glands that produce digestive enzymes, and also receives bile from the liver. Digested material moves from the duo...