Results 11 to 20 of about 43,231 (266)

Cadmium Enrichment Characteristics in Different Oratosquilla oratoria Tissues During Various Gonadal Development Stages from Shanghai and Its Health Risk Assessment [PDF]

open access: yesFoods
The bioaccumulation of cadmium (Cd) in the edible tissues of Oratosquilla oratoria, a seasonal delicacy in Shanghai, poses potential health risks to consumers.
Nana Sun   +9 more
doaj   +2 more sources

Oxidative Status as an Indicator of Gonadal Maturation in Three Species of Mediterranean Sea Urchin [PDF]

open access: yesAntioxidants
Sea urchins are invertebrates that play a crucial role in marine ecosystems by controlling benthic algal communities and whose natural populations are being affected by different biotic and abiotic factors. Triggering physiological processes promotes the
Pedro A. Álvarez   +6 more
doaj   +2 more sources

Histological Changes Induced in Gonads, Liver and Kidney of Zebra Fish (Danio Rerio) Under the Effect Octylphenol (OP)

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
World-wide researches during the last years are focused upon the negative effects caused by the natural chemical compounds and anthropogenic compounds, already being demonstrated that a great part of them change the endocrine control over reproduction at
Gabi Dumitrescu   +4 more
doaj  

Supplementation with microencapsulated lemongrass essential oil improves protein deposition and carcass yield in silver catfish (Rhamdia quelen)

open access: yesActa Scientiarum: Animal Sciences, 2017
The aim of this study was to investigate the effect of dietary supplementation with Cymbopogon flexuosus essential oil (EO) on productive performance, metabolic parameters and body and fillet composition of adult silver catfish, Rhamdia quelen.
Cristine Rampelotto   +5 more
doaj   +1 more source

Morphometrics, ovary structure, and parasites of Chiasmodon harteli (Actinopterygii: Trachiniformes: Chiasmodontidae) from off south-eastern Greenland [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Background. Chiasmodon harteli Melo, 2009 is a rarely captured deepwater fish. Even though the taxonomy of this genus is fairly well resolved, very little is known about the biology of individual Chiasmodon species.
B. Więcaszek   +3 more
doaj   +3 more sources

Sex-Biased miRNAs in the Gonads of Adult Chinese Alligator (Alligator sinensis) and Their Potential Roles in Sex Maintenance

open access: yesFrontiers in Genetics, 2022
MicroRNA (miRNA) is a category of single-stranded non-coding small RNA (sRNA) that regulates gene expression by targeting mRNA. It plays a key role in the temperature-dependent sex determination of Chinese alligator (Alligator sinensis), a reptile whose ...
Meng-Yuan Hu   +4 more
doaj   +1 more source

Hydroxysteroid dehydrogenase HSD1L is localised to the pituitary–gonadal axis of primates

open access: yesEndocrine Connections, 2017
Steroid hormones play clinically important and specific regulatory roles in the development, growth, metabolism, reproduction and brain function in human.
A Daniel Bird   +4 more
doaj   +1 more source

Lycopene supplementation: effects on oxidative stress, sex hormones, gonads and thyroid tissue in tilapia Oreochromis niloticus during Harness® exposure

open access: yesFrontiers in Physiology, 2023
Harness® is a commercial herbicide that contains acetochlor at a concentration of 84% as an active ingredient. Ubiquitous, persistent, and substantial uses of Harness® in agricultural processes have resulted in the pollution of nearby water sources ...
Rania F. Ismail   +3 more
doaj   +1 more source

MORPHOLOGICAL CHANGES IN ASTACUS ASTACUS GONADS DURING THE REPRODUCTIVE CYCLE

open access: yesKnowledge and Management of Aquatic Ecosystems, 2006
The reproductive cycle of Astacus astacus was described by the external observation of the gonads, recording changes in the gonadosomatic index (GSI) and by the histological analysis of the reproductive organs.
LUCIĆ A., ERBEN R., LACKOVIĆ G.
doaj   +1 more source

Intense Expression of GFP Gene in Gonads of Chicken Embryos by Transfecting Circulating Primordial Germ Cells in vitro and in vivo

open access: yesThe Journal of Poultry Science, 2007
The present study was carried out to develop techniques for introducing exogenous DNA into primordial germ cells (PGCs) and expressing the introduced DNA efficiently in the gonads of developing chicken embryos.
Mitsuru Naito   +3 more
doaj   +1 more source

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