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Relative responses of aortic body and carotid body chemoreceptors to carboxyhemoglobinemia.
- S. Lahiri, E. Mulligan, T. Nishino, A. Mokashi, R. O. Davies
- Chemistry, Medicine
- Journal of applied physiology: respiratory…
- 1 March 1981
The effects of carbon monoxide inhalation and of consequent carboxyhemoglobinemia (HbCO) on the discharge rates of aortic body and carotid body chemoreceptor afferents were investigated in 18… Expand
Control of Upper Airway Motoneurons During REM Sleep.
- L. Kubin, R. O. Davies, A. Pack
- Medicine, Biology
- News in physiological sciences : an international…
- 1 April 1998
The loss of tone in upper airway muscles contributes to disorders of breathing during sleep. In an animal model of rapid eye movement sleep atonia, decrements in the activity of upper airway… Expand
Suppression of hypoglossal motoneurons during the carbachol-induced atonia of REM sleep is not caused by fast synaptic inhibition
The depression of upper airway motor activity that develops during the rapid eye movement (REM) stage of sleep is a major factor allowing upper airway obstructions to occur in patients with sleep… Expand
REM sleep-like atonia of hypoglossal (XII) motoneurons is caused by loss of noradrenergic and serotonergic inputs.
- V. Fenik, R. O. Davies, L. Kubin
- American journal of respiratory and critical care…
- 15 November 2005
RATIONALE Studies of hypoglossal (XII) motoneurons that innervate the genioglossus muscle, an upper airway dilator, suggested that the suppression of upper airway motor tone during REM sleep is… Expand
Changes in serotonin level in the hypoglossal nucleus region during carbachol-induced atonia
The excitability of hypoglossal (XII) motoneurons innervating genioglossal muscles is markedly suppressed during the rapid-eye-movement (REM) stage of sleep. This may contribute to airway… Expand
Serotonergic excitatory drive to hypoglossal motoneurons in the decerebrate cat
In decerebrate, paralyzed, vagotomized and artificially ventilated cats, serotonin (5-HT) and its analogues, microinjected into the hypoglossal (XII) motor nucleus, altered the activity of the… Expand
The action of normal and atypical cholinesterase of human serum upon a series of esters of choline.
- R. O. Davies, A. Marton, W. Kalow
- Chemistry, Medicine
- Canadian journal of biochemistry and physiology
- 1 June 1960
The results of a comparison of the actions of individual human sera support evidence previously obtained for the existence of two different types of pseudocholinesterase in man. Maximum rates of… Expand
Distribution of taste buds on fungiform and circumvallate papillae of bovine tongue
The distribution of taste buds on the fungiform and circumvallate papillae of the cow tongue has been determined. The two tongues studied were from Holstein‐Friesian cows four to six years of age;… Expand
Projection of pulmonary rapidly adapting receptors to the medulla of the cat: an antidromic mapping study.
The activity of pulmonary rapidly adapting receptor (r.a.r.) neurones was recorded extracellularly in the nodose ganglion of the decerebrate cat. The receptors were identified by their rapid… Expand