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Wyświetlanie 1-2 z 2
Tytuł:
Autogenous transplants of adrenal fragments in an animal model
Autorzy:
Dworzyńska, Agnieszka
Paduszyńska, Katarzyna
Pomorski, Lech
Powiązania:
https://bibliotekanauki.pl/articles/1392426.pdf
Data publikacji:
2018
Wydawca:
Index Copernicus International
Tematy:
grafts
transplantation
adrenal insufficiency
adrenal gland
Opis:
Introduction: Adrenal insufficiency is a typical complication after surgical treatment of adrenal tumors, especially after the removal of both adrenal glands. Human beings are not able to survive without adrenal glands and without proper hormonal substitution. Autotransplantation of a fragment of the adrenal gland may prevent this complication. This can be done by transplanting the entire adrenal glands or its fragment, such as the adrenal cortex cells. In the case of adrenal tumors, the entire adrenal gland can not be transplanted. However, it is possible to transplant cells from the tumor-free part. Successful adrenal autografts may result in a new treatment of adrenal insufficiency. Materials and Methods: Autograft transplantation was performed on 3 groups of Sprague Dawley rats. In the first group, physiological corticosterone concentrations were determined. These animals were not operated. In the second group, both adrenal glands were removed. Corticosterone concentrations were determined after bilateral adrenalectomy. The third group was divided into two parts. In the first subgroup, bilateral adrenalectomy was performed simultaneously with adrenal transplant into the omentum. In the second subgroup, right adrenalectomy was performed simultaneously with and adrenal transplant into the omentum followed a month later by left adrenalectomy. During the experiment, corticosterone concentrations were measured at 4 time points. Results: The statistical difference between corticosterone concentrations in rats after two timed adrenalectomies and rats after bilateral adrenalectomy was statistically different, but these results were far from physiological concentrations.
Źródło:
Polish Journal of Surgery; 2018, 90, 4; 22-28
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmienność cech morfologicznych, wiosennego pędzenia pąków i kwitnienia świerka pospolitego (Picea abies [L.] Karst.) na plantacji nasiennej w Nadleśnictwie Bielsk
Variability of morphological features, bud burst and flowering of Norway spruce (Picea abies [L.] Karst.) in the seed orchard of the Bielsk Forest Distric
Autorzy:
Mioduszewski, S.
Rzońca, M.
Powiązania:
https://bibliotekanauki.pl/articles/1311789.pdf
Data publikacji:
2015
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
drzewa lesne
plantacje nasienne
swierk pospolity
Picea abies
klony
wartosc genetyczna
fenologia
wzrost roslin
rozwoj roslin
cechy morfologiczne
kwitnienie
produkcja nasienna
Norway spruce
grafts
seed production
quantitative traits
phenology
fructification
heritability
Opis:
The main aim of this paper was to characterize Norway spruce clones in terms of bud burst, flowering and morphological features. Observation and measurements were carried out in the Norway spruce seed orchard of the Bielsk Forest District in the north-eastern part of Poland. The seed orchard was established in 1989 and consists of 428 grafts of over 37 trees from the Białowieża Primeval Forest. An assessment of bud burst, stem forking, stem form, crown width, branch thickness, vitality, flowering and fructification as well as diameter measurements was done in 2013 and 2014. The results showed variability of morphological features among different clones as well as within individual clones. Differences among clones in spring bud development, stem form and branch thickness were statistically significant. Additionally, a positive correlation between male and female flowering was observed. The research also confirmed an influence of the healthiness of the grafts on seed production with trees in a weakened state producing more seeds.
Źródło:
Leśne Prace Badawcze; 2015, 76, 4; 388-400
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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