germ layer

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  • noun

Words related to germ layer

(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation

References in periodicals archive ?
We investigated EB formation and differentiation capacity into the three germ layers, such as endoderm, mesoderm, and ectoderm.
Perhaps iPS cell researchers will discover that skin cells can be driven back even further in development to a totipotent state--that is, to a single zygote-like cell capable of generating not only all three germ layers but also all the supporting extra-embryonic tissues.
Teratomas are tumors that consist of tissues arising from at least 2 embryonic germ layers.
Most grain-based products, such as brown bread and pasta, have some or all of the bran and germ layers of the grain removed during the milling or refining process.
They contain tissue from all three embryonic germ layers (endoderm, mesoderm, and ectoderm).
Comparative aspects are described in order to provide a sense of the evolution of structures, and topics range from fundamental terminology, germ layers, and induction to RNAi, evo-devo, stem cell differentiation, and more.
It is also found that cultured pluripotent stem cells show all the established pluripotency markers and maintain proper karyotype and the ability to distinguish into each of the three germ layers.
Embryonic stem (ES) cells, which are pluripotent stem cells derived from inner cell mass (ICM) of pre-implantation embryos, are capable of proliferating permanently in the undifferentiated state and differentiating into various types of cells from three germ layers in vitro or in vivo (Evans and Kaufman, 1981; Thomson et al.
According to Thompson, teratomas contain tissue from all three embryonic germ layers.
In contrast, the hpSCs developed by ISCO are derived from unfertilized eggs ("oocytes") that have been shown in peer-reviewed journals to exhibit unlimited proliferation potential and are pluripotent (can become cells from all three germ layers that form a human being).
These cells are pluripotent and thus they retain long-term proliferative potential in an undifferentiated state, and can differentiate into derivatives of all three embryonic germ layers on in vitro differentiation culture conditions or an in vivo environment (Thomson et al.
Spheres are made up primarily of pluripotential progenitor cells that are capable of differentiating into cell types from the three germ layers.