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Mechanism of Notch Signaling: The image depicts a type of cell signaling, in which two animal cells interact and transmit a molecular signal from o
Notch genesNotch ProteinsCellular control mechanismsdelta proteinSignal Pathways
From a developing embryos three primary germ layers, ectoderm (green), mesoderm (pink) and endoderm (yellow), a variety of differentiated cell type
MesodermGastrulationBlastulaGerm LayersEctoderm
A 3-D fate map of the chicken (Gallus gallus) embryo with the prospective point of ingression and yolk.
GastrulationBlastodermChickensEpiblastPrimitive Streak
This image shows a chicken (Gallus gallus) embryo undergoing gastrulation in stage four (18-19 hrs after laying) according to the Hamburger-Hamilto
GastrulationBlastodermChickensEpiblastPrimitive Streak
Illustration of the animal-vegetal gradient in Xenopus laevis ( African clawed frog) eggs after fertilization.
BlastulaOrganisms
Illustration of the movement of the three hemispheres of cells, the animal cap (dark green) the marginal zone (lime green) and the ventral cap (yel
BlastulaGastrulationEctodermEndodermOrganisms