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Stack #71921
Nervous system 1
| Question | Answer |
|---|---|
| Anatomical divisions of NS | CNS and PNS |
| Brain and spinal cord is called | CNS |
| Brain, spinal and peripheral nerves called | PNS |
| What are the 3 Subdivisions of ANS | Symp, Para, Enteric |
| What are the 2 principle types of cells that make up nerve tissue | nerouns and supporting cells |
| Supporting cells in CNS | Neuroglia or glia cells |
| Supporting cells in PNS | Schwaan and satelite cells |
| Transmit impulse away from cell body, usually largest process | axons |
| Landmark distinguishes body from axon, free of organelles, where axon originates | axon hillock |
| Transmit impulses TOWARD cell body | dendrites |
| 1 axon & 2 or more dendrites; most abundant neuron | multipolar |
| 1 axon and 1 dendrite | bipolar |
| carries material from neruon to periphery using the mt motor protein KINESIN | Anterograde transport |
| Carries material from periphery to neruon cell body suuing Mt motor protein cytoplasmic Dynein | retrograde transport |
| synapse b/w axon and dendrite | Axondendritic |
| Synapse b/w axon and cell body | Axosomatic |
| Synapse b/w axon and axon | Axonaxonic |
| Synapse type that common in invertebrates, uses gap junx, Don't need NT's | Electrical synapses |
| Components of chemical synaps | presynatpic knob, synaptic cleft, postsynaptic membrane |