| 单词 | neuron |
| 释义 | neuron (once / 10824 pages) n The cells in your nervous system are called neurons. Scientists believe there are approximately 90 billion neurons in your brain. You can also call a neuron a nerve cell, or a cell whose job it is to carry electrochemical messages throughout the nervous system. In the 1880s, neuron was used to mean "the brain and spinal column," or the nervous system itself. Later in the nineteenth century, neuron came to mean "nerve cell with appendages," from the Greek neuro-, "nerve." WORD FAMILYneuron: neuronal, neuronic, neurons USAGE EXAMPLESB.D.N.F. helps neurons to grow and remain vigorous and also strengthens the synapses that connect neurons, allowing the brain to function better. New York Times(Jun 15, 2016) The smallest functional entity of muscle is called a motor unit, which consists of a neuron and the muscle fibers it activates. New York Times(Dec 28, 2016) Neurons, which signal specific targets in the brain, change, too. New York Times(Dec 27, 2016) n a cell that is specialized to conduct nerve impulses Syn|Hypo|Hyper nerve cell gangliocyte, ganglion cell a nerve cell whose body is outside the central nervous system brain cella nerve cell in the brain efferent neuron, motoneuron, motor nerve fiber, motor neurona neuron conducting impulses outwards from the brain or spinal cord afferent neuron, sensory neurona neuron conducting impulses inwards to the brain or spinal cord Golgi cell, Golgi's cella neuron in the cerebral cortex with short dendrites and with either a long axon or a short axon that ramifies in the grey matter Purkinje cella large densely branching neuron that is the characteristic cell of the cerebellar cortex somatic cell, vegetative cell any of the cells of a plant or animal except the reproductive cells; a cell that does not participate in the production of gametes |
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