Results 251 to 260 of about 24,202 (294)

Distributions of periventricular projections of the paraventricular nucleus to the median eminence and arcuate nucleus

Brain Research, 1998
Neuronal projections from the periventricular subnucleus of the hypothalamic paraventricular nucleus to the median eminence and the arcuate nucleus were investigated in the rat by the anterograde tract-tracer, Phaseolus vulgaris leucoagglutinin. The vast majority of labeled fibers coursed ventrally along the third ventricle and distributed in the ...
Zsuzsanna E Tóth, M Palkovits
exaly   +3 more sources

Effects of adrenalectomy on CART expression in the rat arcuate nucleus

Synapse, 2003
AbstractIn order to test for glucocorticoid regulation of CART in the arcuate nucleus, adrenalectomies (ADX) and hormone replacements (HRs) were carried out in groups of rats. CART mRNA levels were determined by in situ hybridization and CART peptide levels by immunocytochemistry.
Burcu Balkan, Ersin O KÖYLÜ, Sakire Pogun   +2 more
exaly   +5 more sources

β-Carbolines in rat arcuate nucleus

Neuroscience, 1978
Abstract The arcuate nucleus of the rat exhibits a brilliant yellow-green fluorescence when irradiated in situ with a He-Cd ultraviolet laser microfluorimeter employing 325 nm incident light. Fluorescent emission spectra demonstrated peaks at 445 nm, 470 nm and 520 nm. The latter peak undergoes rapid photodecomposition.
D W, Shoemaker, J T, Cummins, T G, Bidder   +2 more
openaire   +2 more sources

Ultrastructure of neurons in the arcuate nucleus of the rat

The Anatomical Record, 1968
AbstractIn the arcuate nucleus of the normal rat there are two types of neurons. One of them is characterized by a dense cytoplasmic matrix, dilated endoplasmic reticulum cisternae and well developed Golgi complexes; the other cell type by a paler overall appearance.
G J, Etcheverry, A P, De Iraldi
openaire   +2 more sources

Identification of harman in the rat arcuate nucleus

NaunynSchmiedeberg's Archives of Pharmacology, 1980
This communication describes the presence of 1-methyl-beta-carboline (harman) in the hypophysiotropic area of the hypothalamus which incorporates the arcuate nucleus. Diethyl ether extracts of borate-buffered arcuate homogenates were subjected to silica column chromatography and thin-layer chromatography (TLC).
D W, Shoemaker, J T, Cummins, T G, Bidder, H G, Boettger, M, Evans   +4 more
openaire   +2 more sources

GABAergic projection from the arcuate nucleus to the supraoptic nucleus in the rat

Neuroscience Letters, 2000
Electrical stimulation of the neurones in the hypothalamic arcuate nucleus results in a transient inhibition followed by a marked post-stimulus excitation of magnocellular neurones of the supraoptic nucleus. Microdialysis administration of the gamma-aminobutyric acid agonist (GABA(A)), muscimol, directly into the supraoptic nucleus inhibited both ...
M, Ludwig, G, Leng
openaire   +2 more sources

Rostral projections from the hypothalamic arcuate nucleus

Brain Research, 1975
The response of neurones in the medial basal hypothalamus to electrical stimulation in the suprachiasmatic/preoptic region has been studied in rats anaesthetised with urethane. Neurones in the hypothalamic arcuate, periventricular, ventromedial and dorsal premammillary nuclei were antidromically activated by the stimulation showing that such cells send
G B, Makara, L, Hodåcs
openaire   +2 more sources

Cryptochrome-dependent circadian periods in the arcuate nucleus

Neuroscience Letters, 2016
The circadian pacemaker in the suprachiasmatic nucleus (SCN) of the hypothalamus is responsible for controlling behavioral activity rhythms, such as a free running rhythm in constant darkness. Rodents have several circadian oscillators in other brain regions including the arcuate nucleus (ARC).
Hitoshi Uchida, Takahiro J. Nakamura, Nana N. Takasu, Takeshi Todo, Takayoshi Sakai, Wataru Nakamura   +5 more
openaire   +2 more sources

The hypothalamic arcuate nucleus and the control of peripheral substrates

Best Practice & Research Clinical Endocrinology & Metabolism, 2014
The arcuate nucleus (ARC) of the hypothalamus is particularly regarded as a critical platform that integrates circulating signals of hunger and satiety reflecting energy stores and nutrient availability. Among ARC neurons, pro-opiomelanocortin (POMC) and agouti-related protein and neuropeptide Y (NPY/AgRP neurons) are considered as two opposing ...
Joly-Amado, Aurélie, Cansell, Céline, Denis, Raphaël G.P., Delbes, Anne-Sophie, Castel, Julien, Martinez, Sarah, Luquet, Serge   +6 more
openaire   +3 more sources

Central leptin signalling: Beyond the arcuate nucleus

Autonomic Neuroscience, 2010
Leptin is an adipocyte-derived hormone that plays a crucial role in the maintenance of energy balance. Work over the past 15 years has led to a detailed understanding of its signalling and sites of action, particularly its activation of the central melanocortin signalling pathway through the arcuate nucleus of the hypothalamus (ARC).
Jovanovic, Zorica, Yeo, Giles S.H.
openaire   +2 more sources