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Wyszukujesz frazę "Haemopis sanguisuga" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Haemopis sanguisuga (Linnaeus, 1758) (Hirudinea) - the first observation of a leech predation on terrestrial gastropods
Autorzy:
Shikov, E.V.
Powiązania:
https://bibliotekanauki.pl/articles/84475.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
Haemopis sanguisuga
Hirudinea
first observation
leech
predation
terrestrial gastropod
gastropod
horse leech
Źródło:
Folia Malacologica; 2011, 19, 2
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of high extracellular magnesium on electrophysiological properties of membranes of Retzius neurons in leech Haemopis sanguisuga
Autorzy:
Stanojevic, M.
Lopicic, S.
Spasic, S.
Vukovic, I.
Nedeljkov, V.
Prostran, M.
Powiązania:
https://bibliotekanauki.pl/articles/1189810.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
spontaneous activity
excitability
extracellular magnesium
magnesium
electrophysiological property
membrane
Retzius neuron
leech
Haemopis sanguisuga
Opis:
Magnesium is a bioessential cation with an important role in the function of excitable cells both in health and disease. Magnesium has therapeutic use as an anticonvulsant, anaesthetic, analgesic and antiarrhythmic agent. The aim of this work was to examine in detail the effects of high extracellular Mg2+ on the nerve cell membrane using classical electrophysiology techniques. The experiments were conducted on Retzius neurons in the isolated segmental ganglia of the leech Haemopis sanguisuga. Intracellular recording of membrane potential and electrical activity, as well as current clamp experiments to examine membrane input resistance and excitability, were performed prior to and during application of 20 mmol dm-3 MgCl2. The paper presents our findings on the effects of high Mg2+ on basic electrophysiological properties and activity of Retzius cells. Depolarization of the membrane potential, a decrease in the frequency of spontaneous activity, an increase in threshold potential, a decrease in cell excitability and an increase in input membrane resistance were found following an application of high Mg2+ solution. The underlying mechanisms of the overall suppressive action of Mg2+ on our cell model are discussed to be multiple Mg2+ effects on different ion channel conductances, with a possibly dominant blockade of Na+ channels and a probable modulation of activity of Ca2+-activated K+ channels by Mg2+.
Źródło:
Journal of Elementology; 2016, 21, 1; 221-230
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of high extracellular magnesium on electrophysiological properties of membranes of Retzius neurons in leech Haemopis sanguisuga
Autorzy:
Stanojevic, M.
Lopicic, S.
Spasic, S.
Vukovic, I.
Nedeljkov, V.
Prostran, M.
Powiązania:
https://bibliotekanauki.pl/articles/14459.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Tematy:
spontaneous activity
excitability
extracellular magnesium
magnesium
electrophysiological property
membrane
Retzius neuron
leech
Haemopis sanguisuga
Opis:
Magnesium is a bioessential cation with an important role in the function of excitable cells both in health and disease. Magnesium has therapeutic use as an anticonvulsant, anaesthetic, analgesic and antiarrhythmic agent. The aim of this work was to examine in detail the effects of high extracellular Mg2+ on the nerve cell membrane using classical electrophysiology techniques. The experiments were conducted on Retzius neurons in the isolated segmental ganglia of the leech Haemopis sanguisuga. Intracellular recording of membrane potential and electrical activity, as well as current clamp experiments to examine membrane input resistance and excitability, were performed prior to and during application of 20 mmol dm-3 MgCl2. The paper presents our findings on the effects of high Mg2+ on basic electrophysiological properties and activity of Retzius cells. Depolarization of the membrane potential, a decrease in the frequency of spontaneous activity, an increase in threshold potential, a decrease in cell excitability and an increase in input membrane resistance were found following an application of high Mg2+ solution. The underlying mechanisms of the overall suppressive action of Mg2+ on our cell model are discussed to be multiple Mg2+ effects on different ion channel conductances, with a possibly dominant blockade of Na+ channels and a probable modulation of activity of Ca2+-activated K+ channels by Mg2+.
Źródło:
Journal of Elementology; 2016, 21, 1
1644-2296
Pojawia się w:
Journal of Elementology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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