Category: I
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Inferior ovary
The ovary is positioned below the base of the flower parts. The old, remnant flower parts, or scar, will be located at the top of the fruit. An ovary below the calyx and/or corolla (ie, the rest of -the flower sits on top of it). The sepals and petals are attached to the side or…
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Ischemic necrosis
The death or sloughing off of small areas of tissue or bone, caused by insufficient circulation or lack of blood supply.
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Intravenous urogram, intravenous urography
Radiographic study of the urinary tract using injected dye. An X-ray technique, frequently shortened to IVU, utilized to obtain a distinct image of the urinary tract. The process entails injecting a contrast medium (a substance visible on X-rays) into a vein in the arm. This medium travels through the bloodstream to the urinary system, traversing…
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Intravenous pyelogram
Radio-graphic study of the renal pelvis and ureter using injected dye. A series of X-ray photographs of the kidneys using pyelography. Radiograph of the urinary tract to examine the structure and function of the renal calyces, renal pelvis, ureters, and urinary bladder using the intravenous injection of a radiopaque contrast medium. A radiographic record of…
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Intractable
Incurable or resistant to treatment. Not able to be controlled. Not readily responsive to treatment; not easily cured or treated. Unstoppable. An intractable condition is one that cannot be cured or relieved, such as intractable diarrhea or intractable pain. This term is employed to characterize any condition that doesn’t react to treatment.
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Inguinal
Pertaining to the groin. That region of the body located between the abdomen and thigh. Hernia in which a loop of the intestine enters the inguinal canal and in males, sometimes fills the scrotum; the most common type of hernia, it is usually treated surgically. Having to do with the groin. An inguinal hernia, or…
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Incompetent cervix
Premature painless dilation of the cervical os during pregnancy. A dysfunctional cervix of the uterus which is often the cause of spontaneous abortions and premature births and can be remedied by purse-string stitching. A condition of pregnancy in which the muscles of a woman’s cervix are too weak to hold the fetus within the uterus…
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Immunogen
An antigen (i.e., a substance capable of stimulating an immune response). Organism or substance that provokes an immune response; an antigen. A substance capable of producing an immune response. Proteins and some polysaccharides tend to be strong immunogens; some lipids and nucleic acids are as well.
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Immunocompetent
The immune system has the ability to defend the body against disease. Capable of developing an immune response. Possessing the normal ability (immune system) to respond to infection or tissue damage.
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Isoimmunization
Immunization of an individual against the blood group antigens (e.g., Rh antigens) of another individual. Incompatibility of blood type between the mother and her fetus. The development of antibodies (isoantibodies) within an individual against antigens from another individual of the same species. Active immunization of an individual against blood from an individual of the same…