Category: I
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Impact strength
The force required to fracture a material.
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Internal strangulation
The entrapment of a segment of the intestine in an internal hernia or by adhesion, or through a rent or hiatus in the diaphragm, which leads to vascular compromise with ensuing gangrene.
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Involuntary sterilization
Any procedure that renders a legally incompetent person permanently infertile. It is performed only under court order, and only when other less drastic means of preventing unwanted procreation have failed.
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Intraluminal coronary artery stent
A stent made of an inert material, usually metallic, with a self-expanding mesh introduced into the coronary artery. It is used to prevent lumen closure (restenosis) following bypass surgery and to treat acute vessel closure after angioplasty.
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Intracerebral steal
The shunting of blood from ischemic to well-supplied regions of the brain, producing overperfusion of the unaffected tissue and under perfusion of the ischemic tissue.
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Intercalary staphyloma
Staphyloma in the region of the union of the sclera with the periphery of the iris.
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Inspiratory standstill
The temporary cessation of inspiration normally following each inspiration, resulting from stimulation of proprioceptors in the alveoli of the lungs.
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Inversion stain
A basic stain that, when under the influence of a mordant, acts as an acid stain.
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Intravital stain
A nontoxic dye that, when introduced into an organism, selectively stains certain cells or tissues.
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Interdental splint
A rigid or flexible device or compound used to support, protect, or immobilize teeth that have been loosened, replanted, fractured, or subjected to surgical procedures.