Results 211 to 220 of about 51,733 (247)
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Nature, 1970
A simple order-of-magnitude calculation suggests that diffusion may be the underlying mechanism in establishing morphogenetic gradients in embryonic development.
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A simple order-of-magnitude calculation suggests that diffusion may be the underlying mechanism in establishing morphogenetic gradients in embryonic development.
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Science, 2017
Developmental Biology Pluripotent embryonic stem cells (ESCs) can differentiate into any adult cell type; however, aggregates of these cells do not mimic embryonic architecture when grown in culture. To see whether mouse ESCs and their extraembryonic counterparts, trophoblast stem cells (TSCs), can recapitulate normal development, Harrison et al ...
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Developmental Biology Pluripotent embryonic stem cells (ESCs) can differentiate into any adult cell type; however, aggregates of these cells do not mimic embryonic architecture when grown in culture. To see whether mouse ESCs and their extraembryonic counterparts, trophoblast stem cells (TSCs), can recapitulate normal development, Harrison et al ...
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1967
Publisher Summary This chapter focuses on the cestode gametogenesis and embryonic development up to the formation of the oncosphere. A common basic pattern of embryogenesis in pseudophyllideans and cyclophyllideans representing the main groups in Cestoda is discussed.
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Publisher Summary This chapter focuses on the cestode gametogenesis and embryonic development up to the formation of the oncosphere. A common basic pattern of embryogenesis in pseudophyllideans and cyclophyllideans representing the main groups in Cestoda is discussed.
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Science, 2017
We are at an early stage of developing embryos from stem cells in ...
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We are at an early stage of developing embryos from stem cells in ...
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Somatic Embryogenesis in Grapevine
2001Somatic embryogenesis has been defined as the initiation of embryos from plant somatic tissues closely resembling their zygotic counterparts (Ammirato, 1983). This morphologic event has been documented as occurring spontaneously in some plant species (Yarbrough, 1932; Taylor, 1967), however it is usually induced in tissue cultures, potentially from ...
Martinelli L, Gribaudo I
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2018
This chapter examines the essential characteristics of plant embryogenesis and the nature of the mechanisms that guide embryo formation. The sporophytic, or diploid, phase of plant development begins with the formation of a single cell, the zygote, which results from the fusion of the two haploid gametes, egg and sperm. During embryogenesis, the zygote
Lincoln Taiz +3 more
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This chapter examines the essential characteristics of plant embryogenesis and the nature of the mechanisms that guide embryo formation. The sporophytic, or diploid, phase of plant development begins with the formation of a single cell, the zygote, which results from the fusion of the two haploid gametes, egg and sperm. During embryogenesis, the zygote
Lincoln Taiz +3 more
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Abstract Embryogenesis is the process in which a single cell develops into a multi-cellular organism. This process varies widely among different organisms, but some overarching features are conserved. The first stage is fertilization, where a male sperm meets a female ovum and the two cell fuse to form a zygote.
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