PMID: 11331525May 2, 2001Paper

Descending supraspinal pathways in amphibians. II. Distribution and origin of the catecholaminergic innervation of the spinal cord

The Journal of Comparative Neurology
C Sánchez-CamachoA González

Abstract

Immunohistochemical studies with antibodies against tyrosine hydroxylase, dopamine, and noradrenaline have revealed that the spinal cord of anuran, urodele, and gymnophionan (apodan) amphibians is abundantly innervated by catecholaminergic (CA) fibers and terminals. Because intraspinal cells occur in all three orders of amphibians CA, it is unclear to what extent the CA innervation of the spinal cord is of supraspinal origin. In a previous study, we showed that many cell groups throughout the forebrain and brainstem project to the spinal cord of two anurans (the green frog, Rana perezi, and the clawed toad, Xenopus laevis), a urodele (the Iberian ribbed newt, Pleurodeles waltl), and a gymnophionan (the Mexican caecilian, Dermophis mexicanus). To determine the exact site of origin of the supraspinal CA innervation of the amphibian spinal cord, retrograde tracing techniques were combined with immunohistochemistry for tyrosine hydroxylase in the same sections. The double-labeling experiments demonstrated that four brain centers provide CA innervation to the amphibian spinal cord: 1.) the ventrolateral component of the posterior tubercle in the mammillary region, 2.) the periventricular nucleus of the zona incerta in the ventral th...Continue Reading

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Citations

May 18, 2013·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Verónica G Rodriguez MoncalvoKarin S Pfennig
Nov 6, 2012·Biological cybernetics·Iman Kamali SarvestaniÖrjan Ekeberg
Oct 12, 2010·Brain Structure & Function·Huazheng LiangCharles Watson
Apr 25, 2003·Brain Research. Developmental Brain Research·Catalina SueiroRamón Anadón
Mar 30, 2002·Brain Research Bulletin·C Sánchez-CamachoA González
May 2, 2001·The Journal of Comparative Neurology·C Sánchez-CamachoA González
Oct 18, 2008·The Journal of Comparative Neurology·Antón Barreiro-IglesiasMaría Celina Rodicio
Mar 19, 2014·The Journal of Comparative Neurology·Mario F Wullimann
Mar 16, 2017·The Journal of Comparative Neurology·Anna L XavierKei Yamamoto
Jun 27, 2017·The Journal of Comparative Neurology·Jesús M López, Agustín González
Aug 13, 2004·Journal of Neurobiology·Heike EndepolsWolfgang Walkowiak
Dec 17, 2002·The Journal of Comparative Neurology·Cristina Sánchez-CamachoAgustín González
Oct 15, 2013·The Journal of Comparative Neurology·Laura DomínguezNerea Moreno
Dec 24, 2005·The Journal of Comparative Neurology·Ruth MoronaAgustín González
Nov 4, 2020·Neurotoxicity Research·Yuganthini VijayanathanKalavathy Ramasamy
Oct 14, 2021·Brain, Behavior and Evolution·Oscar Marín, Nerea Moreno

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