Thanks to Unimol all neuro-functional and neuro-histological problems obtain a progressive clarification. The other way around we may from here expect essential proof, and the results of the most subtle sample preparation are, as far as we can see, compatible with our convictions.
The contact between neurons [nerve cells] shows itself as a genuine chemical bonding contact, the synapse, insofar as this is not only a mere concept but an anatomical reality, may be the developmentally organ-like extension of functional features of this contact. The fundamental all-organismic continuity is nowhere broken, only [it is so broken] in pathological conditions. Because mesomer-reversible transpositions of structure take place within the same single bonding continuum, also the possible existence of sites of switchover [and thus of synapses (also as present in the wiring of the nervous system itself)] is entirely compatible with the unimolecular view (Compare also the intramolecular connection of right-hand and left-hand rotating structural parts).
The "neural end-plate" [marking the end of the nerve where it stimulates the muscle] exists as subcellular organ-like form, and signifies the anatomical end [as far as it is externally expressed] of the "mechanical" specific neuron structure, however without interruption of the inner one-molecular chemical bonding continuity. Within the neural end-plate (NEP) the "true" neural substance is revealed, but at the same time taken over by the neuro-structural part of the (cellular) muscle substance, while, as has been said, preserving complete chemical continuity, where also now the muscle-tissue nature represents only a little part of the differentiated-neural whole, and where other elements (contractile fibrillar-cytoplasmic) predominate.
Generally, it was probably not a very lucky decision to call the neural end-plate (NEP) a switchover site, or a connection point, or a synapse, beause probably there neither takes place any switching diverging attention from the true nature of the functional aspect [meaning that the function of the NEP is probably not a switching function]. Fine-anatomically and histologically, however, the expression "neural end-plate" is completely useful. Essentially the expression NEP rather would fit better the dendritic inter-neuron connection (especially in the central nervous system). But here the anatomically histological localization is widely fluid [in the sense of vague] and more of a conceptual than of a material nature.
A more or less correct image one only obtains if imagining a maximally reduced but already fully-differentiated organismic one-molecule -- which doesn't actually exist and has never existed, because that what we take to be fully differentiated is only present at morphologically higher-developed stages [in evolution] -- [a molecule] that, because it is sensitive for it and [it therefore being able to] receive a stimulus as a result of contact with the environment, it is checking that stimulus with the help of memory / experience (the molecule is able to stock things) [checking it] as to that stimulus' usefulness / harmfulness (conscious experience, feeling, of own existence), and then "reacts" according to memory / experience, etc.
In line with our special source / sink picture, we also do not want to say that psychic processes have their substrate in the brain, but that they are the special aspect of this substrate, a substrate, unavoidably taken by us anatomically, in the extreme case chemically [so no separation between psychic processes and their supporting substrate. The psychic processes are the (special aspect of) that substrate].
" The neuro-fibrilles can be followed uninterruptedly from the dendrites, through the near-nucleus part of the cell body, up to the ends of the neurites. They also still continue 'beyond' these, albeit not optically detectable anymore" (BARGMANN). The anatomically histological finding thus already gives a fine external picture of the internal bonding-continuum. The meters-long outgrowths sent out from the spinal cord cells belong to the best of the many macro-structures that mirror the true micro-constitution.
Bargmann takes the name "neuron" for the nerve- or ganglion-cell to be a well-expressing one, but it is not wholly favorable insofar as with it in thought a not-existent independency is induced while masking the functional wholeness (One should note that many new and subordinated concepts mask things in basic and super concepts). The same applies to the expression "switching device". Physiologically they are anatomical concepts-intending-parts which unnoticedly illegally obtain the nature of independent wholes ( The structure of nerve cells, and also that of the complex nerve fibers is, by the way, an informative example of formation of phase-separation and that of membranes).