Abstract
The distribution of noradrenaline and adrenaline in the brain of the urodele amphibian Pleurodeles waltlii has been studied with antibodies raised against noradrenaline and the enzymes dopamine-β-hydroxylase and phenylethanolamine-N-methyltransferase. Noradrenaline-containing cell bodies were found in the anterior preoptic area, the hypothalamic nucleus of the periventricular organ, the locus coeruleus and in the solitary tract/area postrema complex at the level of the obex. Noradrenergic fibers are widely distributed throughout the brain innervating particularly the ventrolateral forebrain, the medial amygdala, the lateral part of the posterior tubercle, the parabrachial region and the ventrolateral rhombencephalic tegmentum. Putative adrenergic cell bodies were found immediately rostral to the obex, ventral to the solitary tract. Whereas the cell bodies and their dendrites were Golgi-like stained, axons were more difficult to trace. Nevertheless, some weakly immunoreactive fibers could be traced to the basal forebrain. A comparison of these results with data previously obtained in anurans reveals not only several general features, but also some remarkable species differences.
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Abbreviations
- Acc :
-
Nucleus accumbens
- AP :
-
area postrema
- Apl :
-
amygdala, pars lateralis
- Apm :
-
amygdala, pars medialis
- ca :
-
commissura anterior
- Cb :
-
cerebellum
- cc :
-
central canal
- Dp :
-
dorsal pallium
- epl :
-
external plexiform layer
- gl :
-
glomerular layer of the olfactory bulb
- H :
-
ganglion habenulae
- igl :
-
internal granular layer
- Ip :
-
nucleus interpeduncularis
- Lc :
-
locus coeruleus
- Ll :
-
lateral line lobe
- Lp :
-
lateral pallium
- Ls :
-
lateral septum
- ml :
-
mitral cell layer
- Mp :
-
medial pallium
- Ms :
-
medial septum
- nPT :
-
nucleus pretectalis
- NPv :
-
nucleus of the periventricular organ
- nV :
-
nervus trigeminus
- oc :
-
optic chiasm
- Poa :
-
preoptic area
- Ri :
-
nucleus reticularis inferior
- SC :
-
nucleus suprachiasmaticus
- sol :
-
solitary tract
- Str :
-
striatum
- thd:
-
thalamus dorsalis
- thv :
-
thalamus ventralis
- To :
-
tectum opticum
- TP :
-
tuberculum posterius
- V :
-
ventricle
- VH :
-
ventral hypothalamic nucleus
- III :
-
nucleus nervi oculomotorii
- IXm :
-
nucleus motorius nervi glossopharyngei
- Xm :
-
nucleus motorius nervi vagi
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González, A., Smeets, W.J.A.J. Noradrenergic and adrenergic systems in the brain of the urodele amphibian, Pleurodeles waltlii, as revealed by immunohistochemical methods. Cell Tissue Res 279, 619–627 (1995). https://doi.org/10.1007/BF00318174
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DOI: https://doi.org/10.1007/BF00318174