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n. a stage of embryonic development in which the blastula—essentially a hollow ball of cells—is reorganized to form the gastrula, which contains the basic plan of the future organism.

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Psychology term of the day

May 25th 2024



n. the point at which either axis of a graph is intersected by a line plotted on the graph. For example, it is the value of y when x = 0 in an equation of the form y = a + bx, or the value of x where a regression line crosses the y-axis. See also x-intercept; y-intercept.