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Topic: Affarent neuron


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In the News (Tue 15 Dec 09)

  
  Lecture 6. Nervous Tissue
neurons (nerve cells) and neuroglia (glial cells) with all their processes and
Gray (grey) matter: almost all neuron cell bodies (perikarya) and axons and neuropil: feltwork of axons and dendrites surrounding neurons and neuroglia; esosinophilic; generally devoid of myelin
neurons: large nuclei with dispersed chromatin and prominent nucleoli; extensive basocphilic cytoplasm
www.pitt.edu /~sshostak/biosci1450/hislec06.html   (1673 words)

  
 Science Fair Projects - Cutaneous receptor
A cutaneous receptor is a types of sensory receptor found in the dermis or epidermis.
Cutaneous receptors are at the ends of neurons.
In sensory transduction, the affarent neurons transmit the message through a synapse in the thalamusto the somatosensory cortex.
www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Cutaneous_receptor   (225 words)

  
 [No title]
In a more recent experiment using a memory-guided saccade task with an asymmetric reward schedule, it was shown that visual and memory responses of caudate neurons are modulated by expectation of reward so profoundly that a neuron's preferred direction often changed with the change in the rewarded direction.
In this review, we have put forward a hypothesis suggesting that a failure of the nonmotor functions of basal ganglia may be relevant in the genesis of symptoms that we have defined as central fatigue.
Basal ganglia are involved in the higher order, cognitive aspects of motor control and these neurons also influence many other functions through their extensive connections with the association cortex and limbic structures.
www.cfids-cab.org /cfs-inform/Fatigue/chaudhuri.behan00.txt   (5793 words)

  
 Very SERIOUS question! [Archive] - DiscussAnything.com -
The motor discharge descends in white matter tracts (as a parasympathetic UMN) and synapses on a parasympathetic pre-ganglionic neuron in the grey matter of the sacral spinal cord.
It synapses with the post-ganglionic neuron within the pelvic ganglia (on the surface of the bladder) and ultimately travels to the detrusor muscle, where an action potential leads to smooth muscle contraction.
Inhibitory neurons which relax and override the contraction of the sphincter descend from the cortex or enter the sacral spinal cord in the pelvic nerve from the detrusor.
www.discussanything.com /forums/archive/index.php/t-30592.html   (1727 words)

  
 [No title]
cause I swore they were and then I read the notes and I saw that most integrative neurons are also multipolar...
but I swore that integrative neurons were only bipolar and I GOT SOO CONFUSED.
or i swear a current goes both to a neuron and away, so does that mean a dendrite is affarant and an axon is efferent???
www.xanga.com /emgeebee/420917342/item.html   (373 words)

  
 [No title]   (Site not responding. Last check: 2007-10-24)
KEYWORDS={basal ganglia; dendritic dopamine release; microdialysis; nigrostriatal dopamine neuron; serotonin; striatum}
KEYWORDS={actylcholinesterase inhibitor; M1 agonist; microdialysis; pyramidal neuron; glutamate; striatum}
KEYWORDS={dopamine neurons; synaptic transmission; NMDA receptors; L-type calcium channels; GABA A and GABA B IPSP; presynaptic inhibition; metabotropic glutamate receptors; muscarinic receptors; nicotinic receptors}
cns-web.bu.edu /~tanc/papers.html   (9519 words)

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