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The distribution of aminergic neurones and their projections in the brain of the teleost, Myoxocephalus scorpius

Watson, A.H.D. 1980. The distribution of aminergic neurones and their projections in the brain of the teleost, Myoxocephalus scorpius. Cell and Tissue Research 208 (2) , pp. 299-312. 10.1007/BF00234878

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Fluorescent histochemistry was carried out on the brain of the teleost Myoxocephalus scorpius to show the distribution of monoaminergic neurones and their projections. Posterior to the obex of the fourth ventricle, at the junction of the spinal chord and medulla, there is an unpaired dorsal nucleus of catecholaminergic cells. A second group of catecholaminergic perikarya are scattered lateral to the vagal and glossopharyngeal motor nuclei. Both groups of aminergic cells contribute to a tract which crosses the fourth ventricle at the obex and runs along the lateral wall of the medulla towards the diencephalon. At the level of the isthmus there is a lateral nucleus composed of large catecholaminergic cells with prominent fluorescent axons and its possible homology with the locus coeruleus is considered. Medially, in the same region a nucleus of serotonergic neurones lies between the paired tracts of the fasciculus longitudinalis medialis. In the diencephalon there are three paraventricular nuclei, the nuclei recessus posterioris and lateralis and the paraventricular organ pars anterior. Ventral to the lateral recess there is a further nucleus less closely associated with the ependyma. The distribution of fluorescent fibres is described and the dispositions of the aminergic nuclei compared to those of other teleosts.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Springer Verlag (Germany)
ISSN: 0302-766X
Date of First Compliant Deposit: 31 July 2018
Date of Acceptance: 4 March 1980
Last Modified: 02 May 2019 11:29

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