Category: I
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Insulin analogue
Any synthetic insulin in which small changes in the amino acid structure of the polypeptide result in changes in the onset, peak effect, or duration of the molecule’s physiological effects. Insulin aspart, glargine, and lispro are insulin analogues.
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Insular
Relating to any insula, e.g., the insular cortex of the brain.
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Insufflator
A device for blowing powders or a gas into a cavity.
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Insufficiency of ocular muscles
An absence of dynamic equilibrium of ocular muscles.
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Instrumentation
The use of instruments and their care.
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Instrumentarium
Instruments required for a surgical or other procedure.
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Institute for safe medication practices
A nonprofit organization that disseminates information about adverse drug events to health care professionals, institutions, and the public. It operates the Medication Errors Reporting System.
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Instillator
An apparatus for introducing, drop by drop, liquids into a cavity. To maintain sterility, the instillator must not touch the part of the body where its fluids are applied.
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Instar
Any one of the various stages of insect development during successive molts.
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Instability
The lack of ability to maintain alignment of bony segments, usually due to torn or lax ligaments and weak muscles.