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Wyświetlanie 1-15 z 33
Tytuł:
Badania nad behawiorem slimakow w antropogenicznie zmienionym srodowisku wodnym. 1. Aktywnosc lokomotoryczna Lymnaea stagnalis [L.] ze szczegolnym uwzglednieniem subpopulacji zarazonych przez stadia rozwojowe przywr digenetycznych
Autorzy:
Pokora, Z
Powiązania:
https://bibliotekanauki.pl/articles/840911.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zmiany srodowiska
populacje zwierzat
srodowisko wodne
zmiany antropogeniczne
przywry digenetyczne
blotniarka stawowa
zbiorniki wodne
behawior
aktywnosc lokomotoryczna
slimaki
Gornoslaski Okreg Przemyslowy
Lymnaea stagnalis
stadia rozwojowe
infekcja pasozytnicza
Opis:
Studies upon behariour of snails in anthropogenically changed water environment. 1. Locomotor activity of lymnaea stagnalis (L), with regard to subpopulations infected with developmental stages of digeneans. The aim of the paper was to analyse the locomotor activity of snails, Lymnaea stagnalis, with regard to physico-chemical properties of water in an inhabited reservoir and parasitic infection. The material was collected in selected anthropogenic water environments situated in the Upper Silesian Industrial Region (sinkhole ponds, sand-and clay-excavations). The locomotor activity of each snail was analysed in laboratory conditions by designation of number of penetrated segments, marked in tanks filled with water originating from a given reservoir, during 15', with intervals of l'. It was observed the significant relationship between locomotor activity of examined snails and the water carbonaceous hardness (r = -0,812, at range of the independent variable 173.0-863.5 mg CaCO₃/dm³). Correlation coefficients with other physico-chemical parameters of water were close to zero. Locomotion of snails infected with developmental stages of digenetic trematodes was significantly lower comparing to non-infected individuals. Locomotor activity of these former ones was dependend more on degree of the digestive gland damage by the parasite than on the infection agent.
Źródło:
Annals of Parasitology; 2002, 48, 1; 39-54
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania nad behawiorem ślimaków w antropogenicznie zmienionym środowisku wodnym. 1. Aktywność lokomotoryczna Lymnaea stagnalis [L.] ze szczególnym uwzględnieniem subpopulacji zarażonych przez stadia rozwojowe przywr digenetycznych
Studies upon behariour of snails in anthropogenically changed water environment. 1. Locomotor activity of lymnaea stagnalis (L), with regard to subpopulations infected with developmental stages of digeneans.
Autorzy:
Pokora, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2147674.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
zmiany srodowiska
populacje zwierzat
srodowisko wodne
zmiany antropogeniczne
przywry digenetyczne
blotniarka stawowa
zbiorniki wodne
behawior
aktywnosc lokomotoryczna
slimaki
Gornoslaski Okreg Przemyslowy
Lymnaea stagnalis
stadia rozwojowe
infekcja pasozytnicza
Opis:
The aim of the paper was to analyse the locomotor activity of snails, Lymnaea stagnalis, with regard to physico-chemical properties of water in an inhabited reservoir and parasitic infection. The material was collected in selected anthropogenic water environments situated in the Upper Silesian Industrial Region (sinkhole ponds, sand-and clay-excavations). The locomotor activity of each snail was analysed in laboratory conditions by designation of number of penetrated segments, marked in tanks filled with water originating from a given reservoir, during 15', with intervals of l'. It was observed the significant relationship between locomotor activity of examined snails and the water carbonaceous hardness (r = -0,812, at range of the independent variable 173.0-863.5 mg CaCO₃/dm³). Correlation coefficients with other physico-chemical parameters of water were close to zero. Locomotion of snails infected with developmental stages of digenetic trematodes was significantly lower comparing to non-infected individuals. Locomotor activity of these former ones was dependend more on degree of the digestive gland damage by the parasite than on the infection agent.
Źródło:
Wiadomości Parazytologiczne; 2002, 48, 1; 39-54
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Udzial slimakow w epidemiologii schorzen pasozytniczych czlowieka
Autorzy:
Pokora, Z
Powiązania:
https://bibliotekanauki.pl/articles/840533.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
choroby pasozytnicze
choroby czlowieka
slimaki
parazytologia
pasozyty
epidemiologia
przenoszenie pasozytow
zywiciele
Opis:
Pulmonate and prosobranch snails, being necessary hosts for parthenogenetic generations of digenetic trematodes, participate in transmission of all trematodoses important from medical point of view. Role of particular gastropods in epidemiology of these diseases is discussed in details. Invasion of land snails and slugs is mainly passive by eggs containing developed miracidia, white enter ofthese larvae into snails inhabiting fresh-water environments is usually active. Generations in the snail host between miracidia and cercariae vary considerable, depending upon the fluke species. Generally, the cercaria is produced by the sporocyst or the redia. Cercariae usually actively penetrate out of the infected snail and enter water. Leaving out of account cases of encystation of cercariae in external environment (liver flukes of the family Fasciolidae) and active penetration into the final host (blood flukes of the family Schistosomatidae), encystation of these larvae takes place in the second intermediate host. Cercariae of medically important flukes may develop into metacercariae in tissues of fish (liver flukes - Opisthorchis felineus, Clonorchis sinensis, intestinal flukes - Heterophyes heterophyes, Metagonimus yokogawai, Troglotrema salmincola), as well as in crustaceans (pulmonary flukes of the genus Paragonimus), insects (the bipathogenic liver fluke Dicrocoelium dendriticum and other species of the family Plagiorchiidae incidentally found in man), and gastropods (flukes of the family Echinostomatidae, among them perhaps the best known is the Oriental species - Echinostoma ilocanum). In prevention and control of human trematodoses, especially in endemic foci, elimination of snail hosts is a great importance. Using molluscides may be objectionable from the stadpoint of environmental modification through their toxicity to other organisms. Biological control of snail hosts is more attractive. It includes introduction and management of predators, parasites, or pathogens, and intramolluscan competition. Moreover, certain slugs and terrestrial snails participate in transmission of nematode larval stages, including species known as pathogenic for man - the strongylid nematodes of the genus Angiostrongylus). Such infections may be prevented by abstanding from eating raw or inadequately cooked molluscs in endemic areas.
Źródło:
Annals of Parasitology; 2001, 47, 1; 3-24
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Udział ślimaków w epidemiologii schorzeń pasożytniczych człowieka
Autorzy:
Pokora, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2147831.pdf
Data publikacji:
2001
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
choroby pasozytnicze
choroby czlowieka
slimaki
parazytologia
pasozyty
epidemiologia
przenoszenie pasozytow
zywiciele
Opis:
Pulmonate and prosobranch snails, being necessary hosts for parthenogenetic generations of digenetic trematodes, participate in transmission of all trematodoses important from medical point of view. Role of particular gastropods in epidemiology of these diseases is discussed in details. Invasion of land snails and slugs is mainly passive by eggs containing developed miracidia, white enter ofthese larvae into snails inhabiting fresh-water environments is usually active. Generations in the snail host between miracidia and cercariae vary considerable, depending upon the fluke species. Generally, the cercaria is produced by the sporocyst or the redia. Cercariae usually actively penetrate out of the infected snail and enter water. Leaving out of account cases of encystation of cercariae in external environment (liver flukes of the family Fasciolidae) and active penetration into the final host (blood flukes of the family Schistosomatidae), encystation of these larvae takes place in the second intermediate host. Cercariae of medically important flukes may develop into metacercariae in tissues of fish (liver flukes - Opisthorchis felineus, Clonorchis sinensis, intestinal flukes - Heterophyes heterophyes, Metagonimus yokogawai, Troglotrema salmincola), as well as in crustaceans (pulmonary flukes of the genus Paragonimus), insects (the bipathogenic liver fluke Dicrocoelium dendriticum and other species of the family Plagiorchiidae incidentally found in man), and gastropods (flukes of the family Echinostomatidae, among them perhaps the best known is the Oriental species - Echinostoma ilocanum). In prevention and control of human trematodoses, especially in endemic foci, elimination of snail hosts is a great importance. Using molluscides may be objectionable from the stadpoint of environmental modification through their toxicity to other organisms. Biological control of snail hosts is more attractive. It includes introduction and management of predators, parasites, or pathogens, and intramolluscan competition. Moreover, certain slugs and terrestrial snails participate in transmission of nematode larval stages, including species known as pathogenic for man - the strongylid nematodes of the genus Angiostrongylus). Such infections may be prevented by abstanding from eating raw or inadequately cooked molluscs in endemic areas.
Źródło:
Wiadomości Parazytologiczne; 2001, 47, 1; 3-24
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fish glochidiosis in anthropogenic water bodies of the upper silesian industrial region - biometrical analysis of Carassius carassius
Autorzy:
Pokora, Z.
Kwiatkowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/84239.pdf
Data publikacji:
2000
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Źródło:
Folia Malacologica; 2000, 08, 4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hormonal regulation of cephalopod reproduction in the light of comparative endocrinology of invertebrates
Autorzy:
Pokora, Z.
Powiązania:
https://bibliotekanauki.pl/articles/83779.pdf
Data publikacji:
1999
Wydawca:
Uniwersytet Mikołaja Kopernika. Wydział Biologii i Ochrony Środowiska. Stowarzyszenie Malakologów Polskich
Tematy:
hormonal regulation
cephalopod
animal reproduction
endocrinology
invertebrate
reproductive activity
gametogenesis
neurohormone
Źródło:
Folia Malacologica; 1999, 07, 4
1506-7629
Pojawia się w:
Folia Malacologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alterations in selected haemolymph components in the pulmonate snail Planorbarius corneus [L.] naturally infected with developmental stages of digenetic trematodes
Autorzy:
Pokora, Z.
Powiązania:
https://bibliotekanauki.pl/articles/837071.pdf
Data publikacji:
1998
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
parasite
Polska
Planorbarius corneus
snail
Upper Silesian Industrial Area
population
Pulmonata
aquatic environment
hemolymph
Źródło:
Annals of Parasitology; 1998, 44, 3
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kariometryczna analiza wybranych komórek układu neurohormonalnego ślimaka Lymnaea stagnalis [L.] w warunkach naturalnego zarażenia partenitami przywr digenetycznych
KARYOMETRIC ANALYSIS OF SELECTED CELLS OF THE NEUROHORMONAL SYSTEM OF THE SNAIL ZYMNAEA STAGNALIS (L.) IN CONDITIONS OF NATURAL INFECTION WITH DIGENETIC TREMATODE PARTHENITES
Autorzy:
Pokora, Z.
Szilman, P.
Powiązania:
https://bibliotekanauki.pl/articles/2151390.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
blotniarka stawowa
uklad neuroendokrynny
analiza kariometryczna
Lymnaeidae
slimaki
parazytologia
komorki zwierzece
przywry digenetyczne
inwazja pasozytnicza
Lymnaea stagnalis
blotniarkowate
Opis:
To supply more documentary evidence for the effect of parasitic infection on activity of neurosecretory centres in the cerebral ganglia of the snail host, caudo-dorsal and light green cells of adult individuals of Lymnaea stagnalis naturally infected with digenean parthenites were subjected to karyometric analysis. In infected animals significant enlargement of nuclear volumes of both examined types of neurosecretory cells was ascertained. Mean nuclear volume of the light green cells in snails infected with Furcocercariae was significantly lower in comparison with the individuals infected with parthenites from groups Echinostomata and Xiphidiocercariae. In remaining cases differences in nuclear volumes among subpopulations distinguished on the ground of an infection factor were not statistically significant.
Źródło:
Wiadomości Parazytologiczne; 1995, 41, 1; 53-62
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kariometryczna analiza wybranych komorek ukladu neurohormonalnego slimaka Lymnaea stagnalis [L.] w warunkach naturalnego zarazenia partenitami przywr digenetycznych
Autorzy:
Pokora, Z
Szilman, P.
Powiązania:
https://bibliotekanauki.pl/articles/837830.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
blotniarka stawowa
uklad neuroendokrynny
analiza kariometryczna
Lymnaeidae
slimaki
parazytologia
komorki zwierzece
przywry digenetyczne
inwazja pasozytnicza
Lymnaea stagnalis
blotniarkowate
Opis:
To supply more documentary evidence for the effect of parasitic infection on activity of neurosecretory centres in the cerebral ganglia of the snail host, caudo-dorsal and light green cells of adult individuals of Lymnaea stagnalis naturally infected with digenean parthenites were subjected to karyometric analysis. In infected animals significant enlargement of nuclear volumes of both examined types of neurosecretory cells was ascertained. Mean nuclear volume of the light green cells in snails infected with Furcocercariae was significantly lower in comparison with the individuals infected with parthenites from groups Echinostomata and Xiphidiocercariae. In remaining cases differences in nuclear volumes among subpopulations distinguished on the ground of an infection factor were not statistically significant.
Źródło:
Annals of Parasitology; 1995, 41, 1; 53-62
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of caerulein-induced acute pancreatitis on the levels of serotonin [5-HT] and 5-hydroxyindoleacetic acid [5-HIAA] in various rat tissues
Autorzy:
Celinski, K
Kleinrok, Z.
Pokora, J.
Czechowska, G.
Skrzydlo-Radomanska, B.
Cichoz-Lach, H.
Powiązania:
https://bibliotekanauki.pl/articles/69340.pdf
Data publikacji:
1995
Wydawca:
Polskie Towarzystwo Fizjologiczne
Tematy:
glucose
serotonin
brain
pancreas
gastrointestinal tract
5-hydroxyindoleacetic acid
central nervous system
acute pancreatitis
mucous membrane
rat tissue
kidney
body weight
liver
blood supply
stomach
Źródło:
Journal of Physiology and Pharmacology; 1995, 46, 2
0867-5910
Pojawia się w:
Journal of Physiology and Pharmacology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania nad dynamika somatycznego wzrostu mlodocianych slimakow Lymnaea stagnalis [Pulmonata: Basommatophora] w warunkach doswiadczalnego zarazenia partenitami przywry Opisthioglyphe ranae [Digenea: Plagiorchiida]
Autorzy:
Pokora, Z
Powiązania:
https://bibliotekanauki.pl/articles/836169.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
gigantyzm somatyczny
pasozyty zwierzat
Pulmonata
dynamika wzrostu
przywry digenetyczne
zywiciele
cechy zoometryczne
Opisthioglyphe ranae
Basommatophora
blotniarka stawowa
Lymnaeidae
plucodyszne
parazytologia
slimaki
nasadooczne
Lymnaea stagnalis
inwazja pasozytnicza
Digenea
blotniarkowate
Opis:
The effect of exposure of juvenile individuals of Lymnaea stagnalis to infectious eggs of Opisthioglyphe ranae on dynamics of their growth was investigated under controlled conditions in laboratory. In infected snails enlargement of body weight and linear parameters of shell were observed. Any differences in shell shape, analysed on the base of regression of shell width towards to its height, were not ascertained in uninfected snails and those infected with parthenites of the trematode. The findings with this host-parasite system are discussed in relation to possible mechanisms of pathogenesis of somatic gigantism in other trematode-snail interactions.
Źródło:
Annals of Parasitology; 1994, 40, 3; 253-263
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania nad dynamiką somatycznego wzrostu młodocianych ślimaków Lymnaea stagnalis [Pulmonata: Basommatophora] w warunkach doświadczalnego zarażenia partenitami przywry Opisthioglyphe ranae [Digenea: Plagiorchiida]
Autorzy:
Pokora, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2151459.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
gigantyzm somatyczny
pasozyty zwierzat
Pulmonata
dynamika wzrostu
przywry digenetyczne
zywiciele
cechy zoometryczne
Opisthioglyphe ranae
Basommatophora
blotniarka stawowa
Lymnaeidae
plucodyszne
parazytologia
slimaki
nasadooczne
Lymnaea stagnalis
inwazja pasozytnicza
Digenea
blotniarkowate
Opis:
The effect of exposure of juvenile individuals of Lymnaea stagnalis to infectious eggs of Opisthioglyphe ranae on dynamics of their growth was investigated under controlled conditions in laboratory. In infected snails enlargement of body weight and linear parameters of shell were observed. Any differences in shell shape, analysed on the base of regression of shell width towards to its height, were not ascertained in uninfected snails and those infected with parthenites of the trematode. The findings with this host-parasite system are discussed in relation to possible mechanisms of pathogenesis of somatic gigantism in other trematode-snail interactions.
Źródło:
Wiadomości Parazytologiczne; 1994, 40, 3; 253-263
0043-5163
Pojawia się w:
Wiadomości Parazytologiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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