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Digitale Medien

Electrophysiological properties of neurones contained in the locus coeruleus and mesencephalic nucleus of the trigeminal nerve in vitro (1982)

Henderson, G. ; Pepper, C. M. ; Shefner, S. A.

Springer

Experimental brain research 45 (1982), S. 29-37

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ISSN: 1432-1106

Schlagwort(e): Locus coeruleus ; Mesencephalic nucleus of the trigeminal nerve ; In vitro brain slice ; Electrophysiology ; Lucifer yellow

Quelle: Springer Online Journal Archives 1860-2000

Thema: Medizin

Notizen: Summary Intracellular recordings were made from neurones contained in the locus coeruleus and mesencephalic nucleus of the trigeminal nerve (MNV), in tissue slices cut from guinea-pig pons and maintained in vitro. Locus coeruleus neurones were of -52.7 ± 2.7 mV resting membrane potential; had an input resistance of 58.0 ± 7.6 MΩ and a membrane time constant of 7.3 ± 1.0 ms. These neurones fired action potentials in response to depolarizing current pulses. Depolarizing synaptic potentials (DSPs) were recorded in locus coeruleus neurones in response to focal stimulation of the surface of the slice. MNV neurones were of-51.9 ± 3.6 mV resting membrane potential; had an input resistance of 15.0 ± 1.8 MΩ and a membrane time constant of 1.35 ± 0.16 ms. These neurones were also excitable but differed from locus coeruleus neurones in that they showed accommodation to depolarizing current pulses and time-dependent anomalous rectification with hyper-polarizing current pulses. In MNV neurones focal stimulation did not give rise to DSPs. Intracellular injection of Lucifer yellow revealed that the cell bodies of locus coeruleus neurones were small and multipolar whereas MNV neurones had larger, monopolar cell bodies.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00235760

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Digitale Medien

Über die selektive Absorption von Ketonen (1914)

Henderson, G. G. ; Henderson, J. A. R. ; Heilbron, I. M.

Weinheim : Wiley-Blackwell

Berichte der deutschen chemischen Gesellschaft 47 (1914), S. 876-887

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ISSN: 0365-9496

Schlagwort(e): Chemistry ; Inorganic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Zusätzliches Material: 5 Tab.