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the outermost nucleated cytoplasmic layer of the Schwann cells that surrounds the axon of a neuron. It forms the outermost layer of the nerve fibre in the peripheral nervous system.
hollow tubular vascular tissue cells, strengthened with lignin that conducts water and mineral...
wild animals from tropical forests that are captured or killed for food or traditional medicine...
blood vessels that transport deoxygenated blood from the heart to the lungs.
the neurons that link motor and sensory neurons within the central nervous system.