Category: I

  • Irbesartan

    An angiotensin II receptor antagonist that serves as an antihypertensive agent. A drug used to control high blood pressure. Irbesartan (Avapro) is classified as an angiotensin II antagonist and has similar benefits to angiotensin-converting enzyme (ACE) inhibitors without producing a common side effect, a dry cough. Irbesartan causes blood vessels to dilate, or widen, thereby…

  • Iodide

    The ion of iodine, an essential nutrient required primarily for the synthesis of thyroxin. The deficiency disorder is called goiter and is characterized by thyroid gland enlargement.  

  • Inverted repeats

    Two copies of the same sequence of DNA repeated in opposite orientations on the same molecule; adjacent inverted repeats constitute a palindrome.  

  • Intravenous therapy

    Provision of fluids and/or nutrients or drugs into a vein.  

  • Intestinal bypass

    A surgical procedure wherein part or all of the small intestine is removed and the remaining fragments connected. The gastrointestinal tract is thus reduced in length. Surgical procedure, used in the treatment of obesity, in which a large part of the small intestine is bypassed so that food is not absorbed there and weight is…

  • Interview method

    A method for estimating food intake. Two frequently used interview methods are the 24-hour recall method and the dietary history method. In the 24-hour recall method, a complete description of the total food intake during the 24 hours preceding the interview is requested. As with the 2-day record method, a single 24-hour recall does not…

  • Interstitial spaces

    Space between tissues. The fluid-filled regions encompassing the cells within a specific tissue are referred to as intercellular spaces, also known as tissue space.  

  • Intermediate-density lipoprotein

    Lipoprotein resulting from removal of triglycerides from very-low-density lipoproteins and chylomicrons. Plasma lipids bound to albumin, consisting of lipoproteins with less protein than high-density, but more than low-density, lipoproteins.  

  • Intercellular compartment

    The water that surrounds cells and is contained in the intracellular space. Plasma is part of this compartment and surrounds the red blood cells in the blood.  

  • Insulitis

    Inflammation of the insulin-producing β cells of the pancreas.