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Topic: Solitary tract


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In the News (Wed 23 Dec 09)

  
  Nucleus of the solitary tract - Psychology Wiki - a Wikia wiki
Nucleus of the solitary tract - Psychology Wiki - a Wikia wiki
The solitary tract runs in the middle of the nucleus, creating a speck of white matter (axons of the tract), surrounded by grey matter (the nucleus).
These first central neurons within the solitary nucleus can participate in autonomic reflexes that may be as simple as two central neurons with the second neuron being an efferent or motor neuron that projects back directly to the organ such as the heart forming some of the simplest reflex pathways in the brain.
psychology.wikia.com /wiki/Nucleus_of_the_solitary_tract   (663 words)

  
 Hypothalamus and ANS
The central processes of the neurons enter the medulla in the solitary tract and travel a bit before synapsing in the surrounding nucleus of the solitary tract.
The solitary tract is somewhat analogous to Lissauer's tract in the spinal cord.
Neurons in the NTS project to an adjacent vagal nucleus, the nucleus ambiguus, and excite the neurons that project to the heart.
thalamus.wustl.edu /course/hypoANS.html   (1805 words)

  
 Ultrastructural demonstration of a gastric monosynaptic vagal circuit in the nucleus of the solitary tract in rat -- ...
Ultrastructural demonstration of a gastric monosynaptic vagal circuit in the nucleus of the solitary tract in rat -- Rinaman et al.
Ultrastructural demonstration of a gastric monosynaptic vagal circuit in the nucleus of the solitary tract in rat
Postprandial neuronal activation in the nucleus of the solitary tract is partly mediated by CCK-A receptors
www.jneurosci.org /cgi/content/short/9/6/1985   (716 words)

  
 Frequency dependence of synaptic transmission in nucleus of the solitary tract in vitro -- Miles 55 (5): 1076 -- ...
Excitatory convergence of periaqueductal gray and somatic afferents in the solitary tract nucleus: role for neurokinin 1 receptors
Expression of metabotropic glutamate receptors in nodose ganglia and the nucleus of the solitary tract
Subthreshold aortic nerve inputs to neurons in nucleus of the solitary tract
jn.physiology.org /cgi/content/abstract/55/5/1076   (1322 words)

  
 Glossopharyngeal Nerve Transection Eliminates Quinine-Stimulated Fos-Like Immunoreactivity in the Nucleus of the ...
Glossopharyngeal Nerve Transection Eliminates Quinine-Stimulated Fos-Like Immunoreactivity in the Nucleus of the Solitary Tract: Implications for a Functional Topography of Gustatory Nerve Input in Rats -- King et al.
neurons in the nucleus of the solitary tract (NST) activated by
Reflex Topography in the Nucleus of the Solitary Tract
www.jneurosci.org /cgi/content/short/19/8/3107   (773 words)

  
 solitary tract Information from Drugs.com
a slender, compact fiber bundle extending longitudinally through the posterolateral region of the medulla, surrounded by the nucleus of the solitary tract, below the obex decussating over the central canal, and descending over some distance into the upper cervical segments of the spinal cord.
Its fibers are distributed to the nucleus of the solitary tract.
Synonym(s): tractus solitarius TA, fasciculus rotundus, fasciculus solitarius, funiculus solitarius, Gierke respiratory bundle, Krause respiratory bundle, round fasciculus, solitary bundle, solitary fasciculus
www.drugs.com /dict/solitary_tract.html   (202 words)

  
 Coding channels in the taste system of the rat -- Scott and Giza 249 (4976): 1585 -- Science
Taste Response Variability and Temporal Coding in the Nucleus of the Solitary Tract of the Rat.
Rapid induction of sodium appetite modifies taste-evoked activity in the rat nucleus of the solitary tract.
Preference conditioning alters taste responses in the nucleus of the solitary tract of the rat.
www.sciencemag.org /cgi/content/abstract/249/4976/1585   (694 words)

  
 Domoic Acid Lesions in Nucleus of the Solitary Tract: Time-Dependent Recovery of Hypoxic Ventilatory Response and ...
Domoic Acid Lesions in Nucleus of the Solitary Tract: Time-Dependent Recovery of Hypoxic Ventilatory Response and Peripheral Afferent Axonal Plasticity -- Cheng et al.
Domoic Acid Lesions in Nucleus of the Solitary Tract: Time-Dependent Recovery of Hypoxic Ventilatory Response and Peripheral Afferent Axonal Plasticity
The nucleus of the solitary tract (NTS) plays a pivotal role in the ventilatory response to hypoxia (HVR).
www.jneurosci.org /cgi/content/abstract/22/8/3215   (503 words)

  
 Tetanic Stimulation Induces Short-Term Potentiation of Inhibitory Synaptic Activity in the Rostral Nucleus of the ...
Tetanic Stimulation Induces Short-Term Potentiation of Inhibitory Synaptic Activity in the Rostral Nucleus of the Solitary Tract -- Grabauskas and Bradley 79 (2): 595 -- Journal of Neurophysiology
activity in the rostral nucleus of the solitary tract.
Frequency-Dependent Properties of Inhibitory Synapses in the Rostral Nucleus of the Solitary Tract
jn.physiology.org /cgi/content/abstract/79/2/595   (609 words)

  
 Convergence in mammalian nucleus of solitary tract during development and functional differentiation of salt taste ...
Convergence in mammalian nucleus of solitary tract during development and functional differentiation of salt taste circuits -- Vogt and Mistretta 10 (9): 3148 -- Journal of Neuroscience
Convergence in mammalian nucleus of solitary tract during development and functional differentiation of salt taste circuits
recordings were made from single cells in the nucleus of the solitary tract
www.jneurosci.org /cgi/content/abstract/10/9/3148   (556 words)

  
 nuclei of solitary tract Information from Drugs.com
This cell column is composed of smaller individual nuclei, and collectively they are the visceral sensory (visceral afferent) nuclei of the brainstem, receiving the afferent fibers of the vagus, glossopharyngeal, and facial nerves by way of the solitary tract.
The caudal two thirds of the nucleus processes impulses originating in the pharynx, larynx, intestinal and respiratory tracts, and heart and large blood vessels; its rostral one third receives impulses from the taste buds and is known as the rhombencephalic gustatory nucleus.
Synonym(s): nuclei tractus solitarii TA Link to this page
www.drugs.com /dict/nuclei_of_solitary_tract.html   (243 words)

  
 Allostasis and Allostatic Load: Implications for Neuropsychopharmacology
The pathway for encoding these memories involves the interaction between neurotransmitters in the amygdala and the hippocampus, facilitated by circulating stress hormones of the adrenal cortex and adrenal medulla.
Indeed, encoding of these memories is strengthened by glucocorticoids and noradrenalin acting in the amygdala and hippocampus, among other brain regions, and epinephrine acting in the sensory vagus outside of the blood-brain barrier, with information transmitted into the brain via the nucleus of the solitary tract (Cahill et al.
These findings may have some relevance to PTSD and also to symptoms of depression, in which an overactive amygdala appears to be involved (Cahill and McGaugh 1998; Drevets et al.
www.nature.com /npp/journal/v22/n2/full/1395453a.html   (10533 words)

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