Weball-or-none phenomenon All-or-nothing principle, all-or-none response Cardiac physiology The property of cardiac muscle in which stimulation from a single myocyte travels to the atrium and ventricle before contracting, resulting in … WebA single axon can have multiple branches, allowing it to make synapses on various postsynaptic cells. Similarly, a single neuron can receive thousands of synaptic inputs …

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WebThe human nervous system consists of billions of nerve cells (or neurons) plus supporting (neuroglial) cells. Neurons are able to respond to stimuli (such as touch, sound, light, and so on), conduct impulses, and communicate with each other (and with other types of cells like muscle cells). Nervous system WebD. all of the above . 37. The adrenal medulla receives visceral innervation form the . A. parasympathetic division of the ANS . B. sympathetic division of the ANS . C. both A and B . D. none of the above . 38. The transverse cervical nerve supplies the . A. scalp posterior to the ear . B. skin over the clavicle gallery with lightbox

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WebSummation, which includes both spatial summation and temporal summation, is the process that determines whether or not an action potential will be generated by the combined effects of excitatory and inhibitory signals, both from multiple simultaneous inputs (spatial summation), and from repeated inputs (temporal summation). WebIn physiology, the all-or-none law (sometimes the all-or-none principle or all-or-nothing law) is the principle that if a single nerve fibre is stimulated, it will always give a maximal … WebThese impulses are incremental and may be excitatory or inhibitory. They occur at the postsynaptic dendrite in response to presynaptic neuron firing and release of neurotransmitter, or may occur in skeletal, smooth, or cardiac muscle in response to nerve input. The magnitude of a graded potential is determined by the strength of the stimulus. black cat 9s