Development of The Human Cerebral Cortices
Before E40 (embryonic day 40), progenitor cells generate other progenitor cells; after that period, progenitor cells produce only dissimilar daughters. The cells from a single progenitor cell form a proliferative unit that creates one cortical column; these columns contain a variety of neurons with different shapes.
Read more about this topic: Progenitor Cell
Famous quotes containing the words development of the, development of, development and/or human:
“Women, because of their colonial relationship to men, have to fight for their own independence. This fight for our own independence will lead to the growth and development of the revolutionary movement in this country. Only the independent woman can be truly effective in the larger revolutionary struggle.”
—Womens Liberation Workshop, Students for a Democratic Society, Radical political/social activist organization. Liberation of Women, in New Left Notes (July 10, 1967)
“A defective voice will always preclude an artist from achieving the complete development of his art, however intelligent he may be.... The voice is an instrument which the artist must learn to use with suppleness and sureness, as if it were a limb.”
—Sarah Bernhardt (18451923)
“America is a country that seems forever to be toddler or teenager, at those two stages of human development characterized by conflict between autonomy and security.”
—Anna Quindlen (b. 1952)
“It is almost everywhere the case that soon after it is begotten the greater part of human wisdom is laid to rest in repositories.”
—G.C. (Georg Christoph)