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神經(jīng)元和神經(jīng)膠質(zhì)細(xì)胞-神經(jīng)元-展示頁(yè)

2024-12-17 11:26本頁(yè)面
  

【正文】 y into dendritic trees Structure of Neurons Axon Hillock (Axonal end feet) The Axon and Axon Collaterals ? Cell Body (Soma): Life Support – Protein Synthesis – Single Nucleus, RER (Nissl Bodies) ? Axon: Longest process transmits messages away from cell body ? Dendrites: Multiple processes off cell body – receive messages Neurons Structure amp。 terminals are end feet) ? Dendrites : much shorter。Cellular Neurobiology Neuroscience Research Institute Peking University Department of Neurobiology Peking University Health Science Center Albert CheungHoi YU 于常海 北京大學(xué)神經(jīng)科學(xué)研究所 One of the Cajal’s many drawings of Brain circuity The letters label the different elements Cajal identified in an area of the human cerebral cortex that controls voluntary movement. ? Neurons: Excitable cells – “wiring” “Signal Senders” ? Neuroglia: Support, Nurturing, Insulation Cellular Components Nerve Cells Neurons Neuroglia ? Cell body (soma。 perikaryon) ? Axon : only one (branches are collaterals。 one or more than one。 Function Neurons are similar to other cells in the body in some ways such as: 1. Neurons are surrounded by a membrane. 2. Neurons have a nucleus that contains genes. 3. Neurons contain : What are inside of a neu
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