• tracts
  • The appearance of some axons exiting the main fiber tracts and exhibiting expanded growth cones suggests that afferent fiber extension was still underway [ILLUSTRATION FOR FIGURE 1I OMITTED]. (thefreedictionary.com)
  • limb
  • Immunohistochemical studies demonstrated Kv1.1 in the afferent limb of the carotid body chemoreflex (the major regulator in the response to hypoxia), consisting of the carotid body, petrosal ganglion, and nucleus of the solitary tract (NTS). (jneurosci.org)
  • receptors
  • The possibility is considered that these group II EPSPs are mediated by an interneuronal group II pathway with little or no input from group III muscle afferents but probably from extramuscular receptors. (springer.com)
  • There are various sources of input to the vomiting center: The chemoreceptor trigger zone at the base of the fourth ventricle has numerous dopamine D2 receptors, serotonin 5-HT3 receptors, opioid receptors, acetylcholine receptors, and receptors for substance P. Stimulation of different receptors are involved in different pathways leading to emesis, in the final common pathway substance P appears involved. (wikipedia.org)
  • TRPV1 receptors are expressed in many systems in the central and peripheral nervous system, and have a particularly important role in signal conduction in afferent pain pathways. (wikipedia.org)
  • reflex arc
  • citation needed] This reflex may also be impaired by damage to the internal branch of the superior laryngeal nerve which relays the afferent branch of the reflex arc. (wikipedia.org)
  • suggests
  • The location of the DRG within this tract suggests that the DRG may function to integrate afferent information for the control of breathing. (lsuhsc.edu)
  • secondary
  • From these results and corresponding ones on flexors (Holmqvist and Lundberg 1961) it is postulated that secondary afferents in addition to the weak monosynaptic connexions (Kirkwood and Sears 1975) have disynaptic excitatory pathways and trisynaptic inhibitory pathways to both flexor and extensor motoneurones. (springer.com)
  • pain
  • There is strong evidence of biological connections between the neurochemical pathways used for the perception of both pain and pleasure, as well as other psychological rewards. (wikipedia.org)
  • Neuropeptide B is thought to be associated with the regulation of feeding, neuroendocrine system, memory, learning and in the afferent pain pathway. (wikipedia.org)
  • activity
  • The afferent activity of this chemosensory pathway is initiated at oxygen-sensitive cells in the carotid body that lies in the bifurcation of the common carotid artery. (jneurosci.org)
  • Pulmonary inflation afferent information inhibits pneumotaxic center respiratory activity. (lsuhsc.edu)
  • review
  • The purpose of this review is to facilitate an understanding of the pathways and mediators involved in the development and central transmission of the itch sensation, to describe the methods available to evaluate itch, and to provide a basis for its rational therapy. (asahq.org)