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The results indicated that the pesticide could be distributed through the body and cumulated in peripheral compartment relatively,but it could be eliminated rapidly.With parameters such as t1/2α valued 3.40min,t1/2β 59.03min and Cl 0.018ml·min-1,Its metabolism followed two-compartment open model after administration of 10 mg/kg.It was primary distributed to blood-riched organs and fat tissues and ready to be biotransformed.The metabolic product were detected in choler,which had stronger polarity with retention time 4.25min;and no parent compound was found in both urine and faeces.Key words: Toxicokinetics;Fenamithion;Organophosphorus pesticide

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The luminescence intensity of suspended immune cells (1×10〓 cells/ml) from peripheral blood, anterior kidney and spleen of grass carp, which were from two groups immunized with being injected Aeromonas hydrophilia and unimmunized respectively, were detected by means of BPCL4 Intelligentized Ultraweak Luminometer, the datum that were dealt with statistics demonstrated that luminescence intensity of the cells from all kinds of immune organs and blood were intensified after the fish were immunized in two weeks and the luminescence intensity from anterior kidney cells was the highest, mitogens had the enhancing effects. Luminol could strengthened luminescence intensity.

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The development of anther and ovule followed the finish of the flower organ initiation. Pollen mother cells and well developed microsporagium wall occurred when the diameter of the bud reached about 3.0 mm, and the archesporial cell which played the role of megaspore mother cell formed in ovule when the diameter of the bud reached about 3.5 mm.

花藥及胚珠的發(fā)育與花器官的形態(tài)發(fā)生之間有明顯的連續(xù)性，當(dāng)花蕾直徑為3.0 mm左右時花粉母細(xì)胞及完整的花粉囊壁形成深夜在线观看网址，直徑達(dá)到3.5 mm左右時胚珠中出現(xiàn)孢原細(xì)胞的分化奇米777米奇影888视狠狠，它直接起大孢子母細(xì)胞的功能。

Methods The expression of urokinase antigen on the pemphigus organ model was revealed by immunohistochemical method; PA activity was assayed in the acantholysis model; the influence of urokinase on the epidermis was observed by adding purified urokinase into the cultured skin explant.

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Tooth is a typical epithelium-mesenchyme organ, which is formed through the mutual function between the original oral epithelium and epiblastic mesenchyme from the neural crest below.

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This site provides image materials on fish development, including time-lapse recordings illustrate the morphogenesis of zebrafish embryos, from early cleavage to organ rudiment formation, fish epidermal cell movies, 3-D films of zebrafish gastrulation, and much more.

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Plicate carpel 6~8, initiated in a whorl stimultaneously. Euryale" s floral organogenesis is similar to Nymphaea" s except the apex of Euryale s floral primordium caved in at early stage.

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The findings of the newly identified goose paramyxovirus strain GPMV/HBexperimental infection were as follows: The challenge caused high morbidity and highmortality.The clinical signs included severe depression, decreased appetite or anorexia,white,yellow and green diarrhea, with neural symptoms;pathological changes showed thathaemorrhage and ulceration of intestine mucosa, necrosis of spleen and pancreas,andedema of liver and kidney, uratic deposition in kidney.Eosinophilic inclusion bodies werefound in the cytoplasm of pancreas and a large quantities of fiber protein were found inintestine. Lots of hemosidefin was found in some area of liver and kidney. A number ofT、B lymphocytes reduced sharply in spleen,lymph nodes in dead geese. Transmissionalelectron microscope showed that some cells had the morphological characteristics ofmitochondria swelling, morphological changes were condensation of nuclear chromatininto dense masses,followed by its marginating against the nuclear envelope, andespecially concentration of cytoplasm association with lots of lipid droplet.

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Besides playing an apparently key role in wall expansion, expansins have been implicated in an increasing number of processes including cell enlargement, seed germination, root hair formation, root growth, leaf primordium initiation,leaf growth, softening of fruits, fruit abscission and growth of the pollen tube of grasses through the stigma and the style.

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