Search Results - "Ryall, R.W."

The differential effects of 5-hydroxytryptamine, noradrenaline and raphe stimulation on nociceptive and non-nociceptive dorsal horn interneurones in the cat by Belcher, G, Ryall, R W, Schaffner, R

“…The effects of 5-hydroxytryptamine (5-HT), noradrenaline (NA) and stimulation of the inferior central nucleus of the raphe (RN) were examined on nociceptive…”
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Mustard oil excites but does not inhibit nociceptive dorsal horn neurones in the rat: a presumed effect on A‐delta fibres by Harris, N.C., Ryall, R.W.

“…1 Mustard oil was applied topically in concentrations of 10–20% to the excitatory and inhibitory nociceptive receptive fields in glabrous and hairy skin of the…”
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Differential excitatory and inhibitory effects of opiates on non-nociceptive and nociceptive neurones in the spinal cord of the cat by Belcher, G, Ryall, R W

“…Morphine, levorphanol, dextrorphan and naloxone were applied microelectrophoretically to cells identified as either having nociceptive inputs or…”
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The antinociceptive action of etorphine in the dorsal horn is due to a direct spinal action and not to activation of descending inhibition by Clark, S.L., Ryall, R.W.

“…1 Etorphine, microinjected into the brainstem or administered intravenously, inhibited the firing of dorsal horn neurones to noxious heat in spinal or…”
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Opiates distinguish spinal excitation from inhibition evoked by noxious heat stimuli in the rat: relevance to theories of analgesia by Harris, N.C., Ryall, R.W.

“…1 Experiments were performed to test the hypothesis that a significant part of the action of opiates in reducing responses to noxious stimuli is a reduction in…”
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The relative significance of spinal and supraspinal actions in the antinociceptive effect of morphine in the dorsal horn: an evaluation of the microinjection technique by Clark, S.L., Edeson, R.O., Ryall, R.W.

“…1 Large quantities of morphine injected directly into the brainstem of spinal anaesthetized cats inhibited the noxious heat‐evoked excitation of dorsal horn…”
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Substance P selectively blocks nicotinic receptors on Renshaw cells: a possible synaptic inhibitory mechanism by Ryall, R W, Belcher, G

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Systematic mapping of descending inhibitory control by the medulla of nociceptive spinal neurones in cats by Edeson, R O, Ryall, R W

“…Inhibition descending the spinal cord from the medullary brainstem was systematically mapped in two dimensions in anaesthetized cats. Fifty-four ipsi- and…”
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INHIBITION BY SUBSTANCE P OF SOME PERIPHERAL ACTIONS OF ACETYLCHOLINE IN THE CAT by CLARK, S.L., RYALL, R.W.

“…1 The effect of substance P on contractions of the nictitating membrane and pressor responses to acetylcholine (ACh) and dimethylphenyl‐piperazinium (DMPP)…”
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AN EXCITATORY ACTION OF IONTOPHORETICALLY ADMINISTERED LITHIUM ON MAMMALIAN CENTRAL NEURONES by HAAS, H.L., RYALL, R.W.

“…1 The action of iontophoretically administered lithium was studied on spinal Renshaw cells and interneurones and on supraspinal neurones in cerebral cortex,…”
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A RE‐EVALUATION OF ACETYLCHOLINE RECEPTORS ON FELINE RENSHAW CELLS by KING, K.T., RYALL, R.W.

“…1 The effects of atropine, methylatropine and lachesine administered by ionophoresis were examined on responses of Renshaw cells to acetylcholine,…”
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The acetylcholine receptors of Renshaw cells by Curtis, D R, Ryall, R W

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The synaptic excitation of Renshaw cells by Curtis, D R, Ryall, R W

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The microelectrophoretic administration of noradrenaline, 5-hydroxytryptamine, acetylcholine and glycine to sacral parasympathetic preganglionic neurones by Ryall, R W, DeGroat, W C

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The excitation of Renshaw cells by cholinomimetics by Curtis, D R, Ryall, R W

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Strychnine-resistant mutual inhibition of Renshaw cells by Ryall, R W, Piercey, M F, Polosa, C

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Pharmacological studies upon spinal presynaptic fibres by Curtis, D R, Ryall, R W

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THE IDENTIFICATION OF ACETYLCHOLINE IN PRESYNAPTIC TERMINALS ISOLATED FROM BRAIN by RYALL, R W

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The subcellular distribution of substance of P and 5-HT in brain by RYALL, R W

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Effects of picrotoxin and bicuculline on the excitation and inhibition of Renshaw cells by Piercey, M F, Goldfarb, J, Ryall, R W

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