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Comparative anatomy of the autonomic nervous system

Forskningsöversiktsartikel
Författare Stefan Nilsson
Publicerad i Autonomic Neuroscience
Volym 165
Nummer/häfte 1
Sidor 3-9
ISSN 1566-0702
Publiceringsår 2011
Publicerad vid Zoologiska institutionen, zoofysiologi
Sidor 3-9
Språk en
Länkar dx.doi.org/10.1016/j.autneu.2010.03...
Ämnesord autonomic nervous system, cranial nerve, enteric nervous system, parasympathetic nervous system, sympathetic nervous system, vagus nerve
Ämneskategorier Zoofysiologi

Sammanfattning

This short review aims to point out the general anatomical features of the autonomic nervous systems of non-mammalian vertebrates. In addition it attempts to outline the similarities and also the increased complexity of the autonomic nervous patterns from fish to tetrapods. With the possible exception of the cyclostomes, perhaps the most striking feature of the vertebrate autonomic nervous system is the similarity between the vertebrate classes. An evolution of the complexity of the system can be seen, with the segmental ganglia of elasmobranchs incompletely connected longitudinally, while well developed paired sympathetic chains are present in teleosts and the tetrapods. In some groups the sympathetic chains may be reduced (dipnoans and caecilians), and have yet to be properly described in snakes. Cranial autonomic pathways are present in the oculomotor (III) and vagus (X) nerves of gnathostome fish and the tetrapods, and with the evolution of salivary and lachrymal glands in the tetrapods, also in the facial (VII) and glossopharyngeal (IX) nerves.

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