Results 21 to 30 of about 55,016 (311)
The mud crab Scylla paramamosain is a species with significant sexual dimorphism in growth rate and body size, of which the females are of higher economic and nutritional values than the males.
Wenxiao Cui +19 more
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FGF9 and WNT4 act as antagonistic signals to regulate mammalian sex determination [PDF]
The genes encoding members of the wingless-related MMTV integration site (WNT) and fibroblast growth factor (FGF) families coordinate growth, morphogenesis, and differentiation in many fields of cells during development.
Robin Lovell-Badge +41 more
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In this study, Pb, Cu, Zn, Cd and Fe levels in the gonads of Paracentrotus lividus and Arbacia lixula collected from the coasts of Gökçeada were determined seasonally between 2014-2015. Trace element concentrations of P.
Melis Yılmaz, Sezginer TUNCER
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"Ex vivo" and "in vivo" studies to assess chemical effects on steroidogenesis in fish: development and application of methods [PDF]
The aquatic environment receives many chemical substances of natural or anthropogenic origin, which can influence the endocrine functions and health of wildlife.
a Marca Pereira, Luz Maria
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Histological changes in gonads of rock sole Lepidopsetta polyxystra during its life cycle
Gametogenesis of rock sole Lepidopsetta polyxystra and its annual cycle of reproduction are described in details. In the reproductive cycle, gonads of its males and females pass a number of stages characterized by certain qualitative and quantitative ...
Anna Yu. Dubinina, Alexander O. Zolotov
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Mathematical Models of the Developing C. elegans Hermaphrodite Gonad [PDF]
The study of growing and developing organisms is a fascinating branch of experimental biology. Once created, cells must exchange chemical and physical cues with neighboring cells in order to grow, divide, and differentiate properly.
Goulet, David Michael
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Sturgeons are among the most ancient linages of actinopterygians. At present, many sturgeon species are critically endangered. Surrogate production could be used as an affordable and a time-efficient method for endangered sturgeons. Our study established
Xuan Xie +13 more
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The sea urchin Tripneustes gratilla is a major grazer and is, hence, an excellent key model organism to study to gain a better understanding of responses to changes in its habitat.
Helen Grace P. Bangi +1 more
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The use of ULVA as a feed supplement in the development of an artificial diet and feeding regimes to produce export quality roe from the sea urchin Tripneustes gratilla (Linnaeus) [PDF]
Includes bibliographical references.Tripneustes gratilla is a fast growing, shallow water echinoid, which occurs across the Indo-Pacific, with its south-western limit in warm, temperate waters of South Africa. The success of T.
Cyrus, Mark Digby
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Polycyclic aromatic hydrocarbons (PAHs) and trace metals are pollutants widely distributed in the marine environment with toxic effects on live organisms, but few laboratory studies have proved their causal relationship with histopathologic alterations ...
Ana Alonso +6 more
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