By Dr. Stefan Nilsson (auth.)
The goal of this publication is to supply a complete description and dialogue of autonomic nerve functionality within the vertebrates from a number of issues of view. Sections on anatomy, biochemistry of the transmitter components and the constitution, body structure and pharmacology of the different sorts of autonomic neurons were integrated, including chapters facing the autonomic anxious keep an eye on of a few organs and organ structures within the diverse vertebrate teams. even supposing wisdom in numerous of those components is predicated totally on reviews of mammals, a definite emphasis has been put on the autonomic nerve capabilities within the non-mammalian vertebrates to explain, from a comparative physiological perspective, the variations and attainable "phylogenetic tendencies" within the improvement of the autonomic nerve services within the vertebrates. it's very seen that the literature created by means of the energetic learn actions in the fields of autonomic worried anatomy, histochemistry, biochemistry, pharmacology and body structure is big certainly, and never all features of the topic can have bought reasonable therapy within the current quantity. With an analogy from astronomy, it's was hoping that the mass compressed into this e-book has reached the extent of an energy-emitting neutron famous person, instead of the black gap which might be the results of compressing too huge a mass.
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Extra resources for Autonomic Nerve Function in the Vertebrates
Branches of Vidian's nerve and of the ophthalmic (V) nerve also enter the ethmoidal ganglion which sends fibres to the periorbita and lacrymal, Harderian and nasal glands. There is an anastomosis between the ethmoidal ganglion and the sphenopalatine ganglion, and the latter also receives preganglionic fibres from Vidian's nerve. Postganglionic fibres from the sphenopalatine ganglion innervate the lachrymal and nasal glands, and the palatine and maxillary salivary glands. The several small submandibular ganglia lie in the chorda tympani branch of the facial (VII) nerve, and send fibres to the anterior submandibular salivary glands.
It should be noticed that the splanchnic nerves in teleosts (and elasmobranchs) are thus composed mainly of postganglionic fibres, while the splanchnic nerves of the tetrapods (amphibians, reptiles, birds and mammals) carry preganglionic fibres to the prevertebral ganglia (including the coeliac ganglion). The teleost coeliac ganglion receives a substantial contribution of fibres from the left sympathetic chain via a transverse commisure. In addition to this contribution, the left anterior sympathetic chain ganglia in the cod, especially the small "satellite ganglion" give off unmyelinated fibres which join the intestinal branches of the left vagus (Nilsson 1976).
5. Pharmacological Identity. Potentiating or antagonistic effects of drugs should be similar on the nerve response and the response to exogenous substance. The difficulty in fulfilling this criterion for the NANC-transmitter candidates is due to the lack of specific "chemical tools" that can be used to enhance or block the effect of these substances. The problem is further discussed in Chaps. 4 and 5. If the quantity of a substance released from a nerve terminal is not high enough to affect the postsynaptic effector cell, the substance may still be of importance in the autoregulation of the nerve terminal.
Autonomic Nerve Function in the Vertebrates by Dr. Stefan Nilsson (auth.)