Physiology publications
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Item Metadata only Melatonin and the development of circadian and seasonal rhythmicity(Blackwell Scientific, 1995) McMillen, Isabella Caroline; Houghton, Daniel Charles; Young, Ian RossItem Metadata only Pulmonary surfactant lipids in the faveolar and saccular lung regions of the snakes(University of Chicago Press, 1995) Daniels, Christopher Brian; Smits, Allan W.; Orgeig, SandraItem Metadata only Reflex control of human jaw muscles by the mechanoreceptors in the periodontium(Plenum Press, 1995) Brodin, Pal; Turker, Kemal Sitki; School of Molecular and Biomedical Science : PhysiologyItem Metadata only Insights into the control of the human masticatory muscles from single motor unit recordings(Elsevier, 1995) Miles, T.; Morimoto, T.; Matsuya, T.; Takada, K.Item Metadata only The shape of the membrane potential trajectory in tonically-active human motoneurones(Raven Press, 1995) Turker, Kemal SitkiItem Metadata only The effect of temperature and hypoxia/hypercapnia on the respiratory pattern of the unrestrained lizard, Pogona vitticeps(CSIRO, 1995) Crafter, S.; Soldini, M.; Daniels, Christopher Brian; Smits, Allan W.Item Metadata only The evolutionary significance of pulmonary surfactants in lungfish (Dipnoi)(1995) Orgeig, Sandra; Daniels, Christopher BrianItem Metadata only Pulmonary-type surfactant and the evolution of air-breathing(University of Chicago Press, 1995) Daniels, Christopher Brian; Orgeig, Sandra; Smits, Allan W.Item Metadata only Effect of hyperpnea on the cholesterol to disaturated phospholipid ratio in alveolar surfactant of rats(1995) Orgeig, Sandra; Barr, Heather A.; Nicholas, Terence E.Hyperpnea induced by swimming rats for 30 min decreased the choksterol/disaturated phospholipid ratio (CHOL/DSP) in the tubular myelin-poor fraction (alv-2), but did not affect the tubular myelin-rich fraction (alv-1). The phenomenon was further illustrated by the marked inverse relationship between CHOLIDSP and DSP. Because such a result could reflect differential release, processing, or reuptake within the alveolar compartment, this study further explored the mechanism in the rat isolated perfused lung (IPL), using radiolabeled CHOL (3H) and DSP (14C). The study also examined whether the decrease in CHOLIDSP with swimming was associated with the increase in either tidal volume (VT), frequency of breathing (f), or both. It was found that whereas a 2.5-fold increase in VTfor 15 min in the IPL increased the CHOL/DSP in alv-1 and decreased it in alv-2, a 3-fold increase in f markedly increased the CHOLIDSP in both alveolar subtractions. In apparent contrast, the increases in both VT and f markedly depressed the ratio of the sp act of CHOLIDSP, reflecting a large decrease in the sp act of CHOL in the alveolar compartment. In view of the acute nature of these IPL experiments, it is suggested that the changes reflect the differential release of CHOL and DSP. Furthermore, the marked decrease in sp act of CHOL must reflect a second source of CHOL supplying the alveolar compartment with sterol of low sp act. It is concluded that there is differential handling of surfactant CHOL and DSP in the alveolar compartment of the rat and that the decrease in CHOL/DSP with swimming is due to an increase in VT.Item Metadata only Hyperexcitability in CA1 of the rat hippocampal slice following hypoxia or adenosine(Elsevier Science Ltd, 1995) Doolette, David J.; Kerr, David Ian BevissItem Metadata only Different types of ganglion cell in the cardiac plexus of guinea-pigs(Cambridge University Press, 1995) Edwards, F. R.; Hirst, G. D. S.; Klemm, Megan F.; Steele, Penelope A.Item Metadata only Response of prolactin to different photoperiods after surgical disconnection of the hypothalamus and pituitary in the sheep fetus(Blackwell Scientific Publications, 1995) Houghton, Daniel Charles; Young, Ian Ross; McMillen, Isabella CarolineItem Metadata only The evolution of the surfactant system in the Reptilia(1995) Daniels, Christopher Brian; Orgeig, Sandra; Smits, Allan W.Item Metadata only Evidence for hypothalamic control of the diurnal rhythms in prolactin and melatonin in the fetal sheep during late gestation(Thomas, 1995) Houghton, Daniel Charles; Young, Ian Ross; McMillen, Isabella CarolineItem Metadata only Effect of gestational age and cortisol on the in vitro output of ACTH precursors and ACTH 1-39 from the anterior pituitary of the fetal sheep(Journal for Endocrinology Ltd., 1995) McMillen, Isabella Caroline; Merei, J. J.; White, Andy; Crosby, S.; Schwartz, JeffreyItem Metadata only Reduced motor unit activation of muscle spindles and tendon organs in the immobilized cat tibialis posterior muscle(American Physiological Society, 1995) Nordstrom, M.; Enoka, R.; Callister, R.; Reinking, R.; Stuart, D.Item Metadata only Impact of gestational age on the catecholamine responses of the fetal sheep adrenal to cholinergic stimulation in vitro(Cambridge University Press, 1995) Butler, Timothy G.; Simonetta, Giuseppe; Roberts, Michael Lawrence; McMillen, Isabella CarolineItem Metadata only Functional significance and control of release of pulmonary surfactant in the lizard lung(American Physiological Society, 1995) Wood, Philip G.; Daniels, Christopher Brian; Orgeig, SandraItem Metadata only Limitations of the surface-EMG technique for estimating motor unit synchronization(Springer, 1995) Yue, G.; Fuglevand, A.; Nordstrom, M.; Enoka, R.Item Metadata only Spike-train acquisition, analysis and real-time experimental control using an icon-based programming language (LabView)(Elsevier, 1995) Nordstrom, M.; Mapletoft, E.; Miles, T.A solution is described for the acquisition on a personal computer of standard pulses derived from neuronal discharge, measurement of neuronal discharge times, real-time control of stimulus delivery based on specified inter-pulse interval conditions in the neuronal spike train, and on-line display and analysis of the experimental data. The hardware consisted of an Apple Macintosh IIci computer and a plug-in card (National Instruments NB-MIO16) that supports A/D, D/A, digital I/O and timer functions. The software was written in the object-oriented graphical programming language LabView. Essential elements of the source code of the LabView program are presented and explained. The use of the system is demonstrated in an experiment in which the reflex responses to muscle stretch are assessed for a single motor unit in the human masseter muscle.