C. other organelle 冷 Golgi apparatus ☆ mitochondria Mitochondrion Golgi apparat o pigment Nucleolus Neuron Nucleus Dendritic spine Axon hillock
c. other organelle ❖ Golgi apparatus ❖ mitochondria ❖ pigment
突触小泡 掉器 极神经元是其突触相圆结构质式图 树突棘及棘器模式图 ② dendrite(树突) many short and more branches structure similar to cell body dendritic spine (synapse) and spine apparatus (structure formed by 2-3 layerS SER) Function: receive the information
② dendrite(树突): ⚫ many, short and more branches ⚫ structure similar to cell body ⚫ dendritic spine (synapse) and spine apparatus (structure formed by 2-3 layers SER) ⚫ Function: receive the information
③axon(轴突) ●thin, less branch axon hillock(轴丘): the beginning without Niss!body ° axolemma ● axoplasm ---Function: initiate an impulse and conduct the impulse
③ axon(轴突): ⚫ thin, less branch ⚫ axon hillock(轴丘): the beginning without Nissl body ⚫ axolemma ⚫ axoplasm ---Function: initiate an impulse and conduct the impulse
axonal transports 细胞核 oo slow anterograde 商尔基复神经元胞体 cytoskeletal protein microtubule microfilament and neurofilament (0.1 0.4mm/d) 顺向轴突输送 ☆ fast anterograde 轴突 synaptic vesIcles, enzymes and proteins( 100-400 mm/d) 逆向轴突输送 oo fast retrograde 轴突终末 products of metabolism, intaking materials including protein or neurotropic factors(100-300 mm/d) 出胞作用(释放)入胞作用(摄取)
* axonal transports ❖ slow anterograde cytoskeletal protein: microtubule, microfilament and neurofilament (0.1- 0.4 mm/d) ❖ fast anterograde synaptic vesicles, enzymes and proteins( 100-400 mm/d) ❖ fast retrograde products of metabolism, intaking materials including protein or neurotropic factors (100-300 mm/d)
3)classification ---According to the number of processes .o multipolar neuron polar neuron 影 go pseudounipolar neuron
3) classification: ---According to the number of processes ❖ multipolar neuron ❖ bipolar neuron ❖ pseudounipolar neuron