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The cell body of a neuron is supported by a complex meshwork of structural proteins called neurofilaments, which are assembled into larger neurofibrils. Some neurons also contain pigment granules, such as neuromelanin (a brownish-black pigment, byproduct of synthesis of catecholamines) and lipofuscin (yellowish-brown pigment that accumulates with age).
Nervous System Nervous System Histology Consist of two types of neurons * Neuroglia - serve to support and protect the neurons. * generally smaller than neurons and outnumber neurons 5-50 times. * Neurons - the main cell of the nervous system that is specialized for nerve impulse conduction.