Axon Cheat Sheet - Edubirdie

University:
University of Louisiana at Lafayette
Course:
BIOL 110 | Fundamentals of Biology I
Academic year:

2025
Views:

48

Pages:

1
Author:

Kiara Gothe

Axon  Variable size o Eg: neurons to big toe  Bundles of axons o Tract (within brain) o Nerves  Branches- called “collaterals” (branch coming off axon)  Terminal branches  Axon terminals o Can be >10,000  No ER or Golgi complex, no nucleus o Do have mitochondria Axon –impulses (electrical signals being sent)  Conducting region  Axolemma o Cell membrane of an axon  Trigger zone  down axon o Zone of the axon hillock o Determining if a AP is going to be created or not.  Axon terminals o Secretory region (secreting/releasing neurotransmitter on 2nd cells to  Axonal    communicate) Neurotransmitter o Excite o Inhibit (released on to another cell, basically silences cell) transport Cytoskeleton o Microtubules, motor proteins Anterograde (Forward) o Mitochondria transport away from the cell body o Enzymes- produce neurotransmitter o Vesicles  Neurotransmitter  Membrane products Retrograde (Backwards) o Organelles for breakdown  Recycled and reused o Relay info from terminal backwards towards the cell body

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