(1) Dibutyryl cyclic AMP (dbcAMP) treatment of Neuro 2A neuroblastoma cells induces cell differentiation and neurite outgrowth.
(2) The OPL first appears as a thin, discontinuous break in the cytoblast layer that is frequently interrupted by the profiles of migrating neuro- and glioblasts.
(3) At least four cases were fatal, three died with neuro-Behçet.
(4) The authors report 6 cases of acute respiratory failure complicating chronic bronchial and lung disease admitted to hospital with the diagnosis of: heart disease, 3 cases, pulmonary oedema, pulmonary embolism, atrial flutter; status asthmaticus : one case; neuro-psychiatric disease : 2 cases (toxic coma and agitation).
(5) Prior to iontophoresis a complete audiologic, neuro-otologic and x-ray examination of the temporal bones was performed.
(6) Questionnaires assessing symptoms, disability and handicap, predisposition to anxiety, and current anxiety and depression were completed by 127 people attending neuro-otology clinics with a major complaint of vertigo or dysequilibrium.
(7) Of the complications, only the neuro-muscular type is of importance and the possible causes of this are discussed.
(8) Chlormethiazole is effective in the treatment of the ethanol withdrawal syndrome because of its tolerability, lack of hepatotoxicity, short plasma half-life, lack of any long-acting intermediate metabolites and lack of adverse effects on the neuro-endocrine system in alcoholics.
(9) Antagonism by neuro-amino acids of the central effects of angiotensin II and renin in rats was investigated.
(10) Based on these data a hypothesis is put forward to explain the immuno- and neuro-modulatory effects of muramyl peptides.
(11) It is now a well-known fact that the human body is able to use luminous stimulation for aims other than sight; the pineal gland, though no longer directly sensitive to light as in lower animals, is nevertheless the fulcrum of a complex neuro-endocrine system which makes an interaction between light and the human body possible by means of the production of a number of substances of which melatonin is the most widely investigated.
(12) A housewife, 42 years old, died from a chronic progressive neuro-psychiatric illness of 15 years duration characterized by memory disturbance, moria-syndrome, euphoria, social disorder and extrapyramidal symptoms combined with a severe bone disease.
(13) This case is an unusual example of fibrous dysplasia of the skull with neuro-ophthalmological symptoms but without ptosis, exophthalmos, or visual loss.
(14) So, it seems that this method may be appropriate for complexity evaluation, and could be applied in the study of remodeling process in neuro- and myopathic diseases.
(15) The interplay between these two neuro-endocrine disorders may account for some of the symptoms of these patients.
(16) This confirmed the presence of neuro-endocrine cells in more than half of the patients under investigation.
(17) Bronchiolar smooth muscle cells therefore showed larger resting potentials and a greater tendency to fire action potentials than trachealis muscle, and prostaglandins and histamine are involved in inhibitory and accelerative mechanisms related to excitatory neuro-effector transmission, respectively.
(18) Neuro-urological studies were performed on 9 patients with a spinal arteriovenous malformation (S-AVM).
(19) A clone of Neuro 2a, N2AB-1, was shown to bind variable amounts of TT per cell and this binding could be saturated by increasing doses of the toxin.
(20) At an identified neuro-neuronal synapse of Aplysia, 2,5-diterbutyl 1,4-benzohydroquinone, a selective blocker of the reticulum Ca2+ pump, was found to potentiate evoked quantal release of acetylcholine through an increased accumulation of Ca2+ in the presynaptic neuron during depolarization without any accompanying changes in the presynaptic Ca2+ current.
Neuron
Definition:
(n.) The brain and spinal cord; the cerebro-spinal axis; myelencephalon.
Example Sentences:
(1) Therefore, these findings may extend the use of platelets as neuronal models.
(2) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
(3) On the other hand, after exposure to BrdUrd, neuron specific enolase decreased in NB-1 and SK-N-DZ and increased in GOTO.
(4) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
(5) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
(6) However, the firing of 5-HT neurons appears to relate to the state of vigilance of the animal.
(7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
(8) Two small populations of GLY + neurons were observed outside of the named nuclei of the SOC; one was located dorsal to the LSO, near its dorsal hilus, and the other was identified near the medial pole of the LSO.
(9) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(10) Thus, it appears that neuronal loss may account for up to roughly half of the striatal D2 receptor loss during aging.
(11) This report is an overview of the data and has incorporated some additional findings of the influence of the ACTH4-9 analog, Org2766, on neuronal excitation, especially in the hippocampus.
(12) The results are consistent with our previous suggestion that lethality for virulent SFV infection results from a lethal threshold of damage to neurons in the CNS and that attenuating mutations may reduce neuronal damage below this threshold level.
(13) We conclude that the rat somatosympathetic reflex consists of an early excitatory component due to the early activation of RVL-spinal sympathoexcitatory neurons with rapidly conducting axons and a later peak that may arise from the late activation of these same neurons as well as the early activation of RVL vasomotor neurons with more slowly conducting spinal axons.
(14) We conclude that neuronal activities in the region of the retrofacial nucleus are important both in the integration of stimuli from the central chemoreceptors and in defining the discharge patterns of respiratory neurons.
(15) In electrophysiological studies with neurons of Lymnaea stagnalis, THA inhibited the slow outward K+ current and consequently increased the duration of the action potentials.
(16) In the ultrastructural analysis, GABA-like immunoreactivity (GABA-LI) was detected in neuronal perikarya, dendrites, axons, and axon terminals.
(17) Two weeks later, the IL-3-treated animals showed significant numbers of acetylcholinesterase-positive neurons remaining in the septal region.
(18) The data indicate that adult neurons with an intrinsic ability to regenerate axons can respond to substances with neurotrophic or neurite-promoting activities in tissue cultures.
(19) The axons of A5, RPoOl and RaD neurons exhibit no lateral predominance in their spinal projections.
(20) Intramembrane particles (IMP) were quantitatively assessed in the perikaryal plasma membranes of infundibular neurons.