Myelin

We know that neurons are encapsulated by myelin. But what makes the myelin?┬áThe brain contains two major classes of cells: neurons and glia. Glia are responsible for creating the myelin sheath, as well as having many other functions. There are different kinds of glia, including Schwann cells, oligodendrocytes, astroctytes, microglia, and more. The Schwann cells … Continue reading Myelin

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Major Principles of Neuronal Functioning

┬áNeurons themselves are classified by how many processes, or extensions, they have. Neurons have extensions on one end usually called dendrites, which act as receiving cables for electrical signals. Dendrites, which mean trees, are like the rabbit ears of an old television set, receiving signals. A neuron is also made up of an axon, down … Continue reading Major Principles of Neuronal Functioning