نتایج جستجو برای: misgurnus
تعداد نتایج: 227 فیلتر نتایج به سال:
The weatherloach, Misgurnus angulliacaudatus, is an intestinal air-breathing, freshwater fish that has the unique ability to excrete ammonia through gut volatilization when branchial and cutaneous routes are compromised during high environmental ammonia or air exposure. We hypothesized that transepithelial gut NH(4)(+) transport is facilitated by an apical Na(+)/H(+) (NH(4)(+)) exchanger (NHE) ...
In previous papers (Buznikov, Chudakova & Zvezdina, 1964; Buznikov, Chudakova, Berdysheva & Vyazmina, 1968) we reported that fertilized eggs of the sea-urchin Strongylocentrotus dwbachiensis synthesized a number of neurohumours, such as serotonin (5-hydroxytryptamine, 5-HT), acetylcholine (ACh), adrenalin (A), noradrenalin (NA) and dopamine. Synthesis of 5-HT was also demonstrated in the fertil...
The fecundity and sexual structure of weatherfish (Misgurnus fossilis) population, an inperilled protected freshwater fish with a poorly known life history, was studied in three waterbodies: the River Ner, Południowy canal Nowy Rów (Poland) differing hydrological character. We compared reproductive traits; i.e. sex ratio, absolute relative fecundity, oocyte size, gonado-somatic index body condi...
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