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Initiator
Definition 1
Something that sets into motion some course of events; a device that activates or releases or causes something to happen. (NCI Thesaurus)
Definition 2
In medicine, a specific event that starts a process or that causes a particular outcome. For example, chemotherapy, painful treatments, or the smells, sounds, and sights that go with them may trigger anxiety and fear in a patient who has cancer. In allergies, exposure to mold, pollen or dust may trigger sneezing, watery eyes, and coughing. (NCI Dictionary)
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One of several soluble proteins involved in the initiation of protein or RNA synthesis.
The act of starting something; an act that sets in motion some course of events.
The first letter of a word, especially the first letter of each word in a proper name.
The initial volume of distribution for a substance administered by bolus intravascular dosing divided by the weight.
The initial volume of distribution for a substance administered by bolus intravascular dosing divided by the surface area.
The initial volume of distribution for a substance administered by bolus intravascular dosing divided by the dose.