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tache germinative

blastodisc

sciences naturelles et appliquées - iate.europa.eu

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Characterization of mid-spindle microtubules during furrow positioning in early cleavage period zebrafish embryos... Originating from the mid-zone of the mitotic spindle they develop into what we term a mid-spindle 'pre-furrowing microtubule array' that expands upward and outward from the spindle mid-zone towards the blastodisc surface....

général - core.ac.uk - PDF: repository.ust.hk

Localized calcium transients accompany furrow positioning, propagation, and deepening during the early cleavage period of zebrafish embryos ...reporter) and the use of an imaging photon detector, we see a distinct localized elevation of intracellular calcium that accompanies the appearance of the first furrow arc at the blastodisc surface: the furrow positioning signal....

Fgf8 acts as a right determinant during establishment of the left-right axis in the rabbit ... Finally, chick (blastodisc) and mouse (egg cylinder) differ with respect to the topology of the early gastrula/neurula embryo.Results:...

Myosin-1 inhibition by pclp affects membrane shape, cortical actin distribution and lipid droplet dynamics in early zebrafish embryos... We found that the blastodisc of the embryo, which contains a thick actin cortex (~13 μm), is loaded with cortical Myo1....

PDF: figshare.com

Myosin-1 inhibition by pclp affects membrane shape, cortical actin distribution and lipid droplet dynamics in early zebrafish embryos.... We found that the blastodisc of the embryo, which contains a thick actin cortex (~13 μm), is loaded with cortical Myo1....

PDF: doaj.org

germ cell

sciences naturelles et appliquées - iate.europa.eu

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Impact of proximal cytoplasmic droplets on quality traits and in-vitro embryo production efficiency of cryopreserved bull spermatozoaAbstract Background Proximal cytoplasmic droplets (PCDs), a remnant of germ cell cytoplasm, are common non-specific morphological defects in bovine semen....

activité agricole / sciences naturelles et appliquées / moyen de production agricole - core.ac.uk - PDF: doaj.org

germinal disc

sciences naturelles et appliquées - iate.europa.eu

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Diagrammatic representation on the position of decondensed and condensed sperm heads.Condensed sperm heads were observed on the dorsal surface in the areas of the germinal disc, cytoplasm, and egg yolk, while decondensed intracytoplasmic sperm heads were observed primarily in the periphery of the egg yolk....

général - core.ac.uk - PDF: figshare.com

Germinal disc-derived epidermal growth factor: a paracrine factor to stimulate proliferation of granulosa cells1The germinal disc (GD) of the chicken oocyte produces fac-tors that influence proliferation and differentiation of granulosa cells....

PDF: www.biolreprod.org

Nuclear events from fertilisation to the early cleavage stages in the domestic fowl (gallus domesticus)The changes in nuclear morphology from fertilisation to the 16-blastomere stage of development in the domestic fowl were examined in sections of the germinal disc stained with DAPI (4',6'-diamidino-2-phenylindole) or with the Feulgen technique....

PDF: www.pubmedcentral.nih.gov

Use of nonsettable eggs to evaluate...nonsettable eggs (checked, cracked) to perform fresh egg breakouts to estimate true fertility and to assess the rate of sperm penetration of the perivitelline layer overlying the germinal disc was evaluated....

PDF: digitalcommons.unl.edu

Primary audience: hatchery and farm personnel, poultry scientists summary...nonsettable eggs (checked, cracked) to perform fresh egg breakouts to estimate true fertility and to assess the rate of sperm penetration of the perivitelline layer overlying the germinal disc was evaluated....

PDF: japr.oxfordjournals.org

Publications scientifiques

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Approaches for identifying germ cell mutagens: report of the 2013 iwgt workshop on germ cell assays(☆)This workshop reviewed the current science to inform and recommend the best evidence-based approaches on the use of germ cell genotoxicity tests....

général - core.ac.uk - PDF: lra.le.ac.uk

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Normal and malignant germ cell development...7).Defining normal and malignant germ cell development is crucial for understanding the biology and behaviour of germ cell tumours....

général - core.ac.uk - PDF: repub.eur.nl

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Study of malignant germ cell tumors with special reference to malignant ovarian germ cell tumors: 5 years experienceBackground: Germ cell tumors are rare and complex group of heterogenous neoplasms that comprise both benign and malignant histology....

général - core.ac.uk - PDF: dx.doi.org

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Elucidating human male germ cell development by studying germ cell cancer Human germ cell development is regulated in a spatio-temporal manner by complex regulatory networks....

général - core.ac.uk - PDF: figshare.com