Chapter 3c: Flashcards

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Neurotransmitters
endogenous chemical compounds that relay, amplify, and/or modulate signal transmission between two neurons or between neurons and other cells [Toggle]
Parasympathetic
pertaining to autonomic functions mainly governing to the body at rest, including glandular secretions, tone and contractility of smooth muscle, and slowing the heart rate [Toggle]
Secretion
the process of production and release of chemical compounds from a tissue (gland). The secreted product has a function as opposed to an excreted waste [Toggle]
Sympathetic
pertaining to autonomic functions related to stress situations, often called the fight or flight response. This includes suppressing glandular secretions, reducing tone and contractility of smooth muscle, and increasing the heart rate [Toggle]
Synapse
space between the axon terminal of a neuron and the dendrite body of another neuron leading to a functional connection between them. This space is also designated the synaptic cleft [Toggle]
Tachycardia
rapid heart rate that exceeds 100 beats per minute in adults [Toggle]
Tone
state of tension of tissues or organs in the body [Toggle]