| EIM | excitability-inducing material |
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| NET | nasoendotracheal tube; nerve excitability test; neuroectodermal tumor; neuroendocrine tumor; norepin... |
| NET | Nerve Excitability Test |
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| supranormal excitability | at the end of phase three of the cardiac action potential, the successful stimulation threshold falls below (i.e., less negative than) the level necessary to produce excitation during the rest of the phase of diastole, so that an ordinary subthreshold stimulus becomes effective. Compare: supranormal conduction. (05 Mar 2000) |
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| supranormal conduction | Transmission of an impulse during the brief period of the cardiac cycle when it would be expected to fail if it occurred outside this time interval. Compare: supranormal excitability. (05 Mar 2000) |
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| excitability | 1. The quality of being readily excited; proneness to be affected by exciting causes. 2. <physiology> The property manifested by living organisms, and the elements and tissues of which they are constituted, of responding to the action of stimulants; irritability; as, nervous excitability. Origin: Cf. F. Excitabilite. Source: Websters Dictionary (01 Mar 1998) |
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