Examlex
If light from a 336-nm monochromatic source in air is incident upon the surface of fused quartz (n = 1.56) at an angle of 60°,what is the wavelength of the ray refracted within the quartz?
Sodium
A chemical element, represented by the symbol Na, that plays critical roles in the body, including maintaining fluid balance and conducting nerve impulses.
Synaptic Cleft
The tiny gap between neurons at a synapse, through which neurotransmitters are released to transmit signals from one neuron to another.
Dendrites
The branched extensions of a neuron that receive signals from other neurons or sensory stimuli and transmit them toward the cell body.
Axon
An extended, slim part of a nerve cell, also known as a neuron, that usually carries electrical currents away from the main cell body of the neuron.
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