Talk:Axon terminal

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I did some general clean up, and put the top image in a two-cell table to force the long caption to the right. I wish the Leading were the same as the normal image captions, but I haven't figure out how to force that. Otherwise, I think it's an improvement over having the numbered items on the following screen. WhatamIdoing (talk) 20:37, 26 December 2008 (UTC)

is "terminal" a useful concept?[edit]

the article seems ambiguous about exactly what a synaptic terminal is. Is it synonymous with synaptic bouton (or swelling) or does it refer to the most distal part of an axon, perhaps even the very end of an axon branch? or does it mean a whole synapse, including presynaptic active zone and apposed postsynaptic density? Compounding the problem is that not every bouton corresponds to a synapse, nor does every synapse correspond to a boutonal swelling (e.g. White,E.L., J Comp Neurol. 2004 Nov 1;479(1):56-69.0). In addition, one must distinguish between en passant synapses (typically made by axonal swellings) and terminal synapses (called by Guillery (in his book with Sherman, "Exploring the thalamus'") 'drumstick synapses": boutons at the end of short narrow stalks arising from the axon branch. In the frog neuromuscular junction, the axon branches that emerge from the end of the last internode and which contact the muscle cell are called 'terminals" though there are no swellings, and the word usually refers to the entire branch, not just the synapses.Paulhummerman (talk) 02:11, 16 October 2016 (UTC)

Schwann cells in PNS only[edit]

The graphic "structure of a typical neuron" depicts Schwann cells, which are only found in peripheral nervous system (PNS) neurons. Otherwise, much of the article is agnostic of PNS/CNS, although the "Mapping Activity" section is clearly referring to CNS functions. In the CNS, axons are myelinated by oligodendrocytes[1], not by Schwann cells. I might prefer to think that CNS neurons are typical.

Speaking of the "Mapping Activity" section, IMO it reads more like an infomercial rather than information that would be on-target for the apparent scope of the article. (talk) —Preceding undated comment added 17:45, 1 April 2017 (UTC)

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