Describe fast and slow stream axoplasmic transport. What structures are involved

Question

Describe fast and slow stream axoplasmic transport. What structures are involved in transporting the secretory vesicle in axoplasmic transport? What are the different structural classifications of neurons and where would we find examples of them? What are the different functional classifications of neurons? What is the function of each type? What types of sensory neurons do we have? What types of motor neurons do we have? List the different types of neuroglia cells found in the CNS. What are the functions of the different types of neuroglia cells found in the CNS? List the different types of neuroglia cells found in the PNS.

Explanation / Answer

Axoplasmic transport is a cellular process responsible for movement of mitochondria, lipids, through the cytoplasm of its axon (axoplasm)

Fast axoplasmic transport- is bidirectional transport that is ATP independent. It is conducted by sliding, polimerizing and protein interaction eg. transport of mitochondria, golgi derived vesicles. Fast axoplasmic transport is both anterograde (movement towards cell body) and retrograde (movement towards synapse)

Slow axoplasmic transport- is unidirectional transport that is ATP dependent. It is associated with microtubules, dynein, and kinesin eg. microfilaments, microtubules. Slow axoplasmic transport is only anterograde ie towards the cell body.

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