Examlex
Why is biodiversity difficult to manage globally?
Myelin Sheath
The insulating layer around many nerve fibers, consisting of protein and fatty substances, which enables faster transmission of electrical impulses.
Axon
A long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body.
Dendrite
Dendrites are branched extensions of a neuron that receive signals from other neurons and transmit them towards the cell body.
Node of Ranvier
Gaps in the myelin sheath along the axon of neurons where action potentials are generated.
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