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Oogenesis oocyte differentiation

Chemical and morphological differentiation of the cytoplasm of the oocyte commences during oogenesis, in the course of growth and maturation of the oocyte, i.e., it is an active morphogenetic process. It is during this period that a special functional form of chromosomes (lamp brush type) appears, to control this differentiation. Various axes of symmetry appear in the oocytes. [Pg.298]

Some very interesting results to illustrate the mechanism of cytoplasmic control of primary differentiation were obtained by Davidson and co-workers (1965). They studied the early embryo-genesis of the mollusk Ilyanassa obsoleta an organism which was previously shown to offer exceptional opportunities for investigations of this type. During oogenesis the cytoplasm of the oocyte... [Pg.301]

See other pages where Oogenesis oocyte differentiation is mentioned: [Pg.310]    [Pg.35]    [Pg.202]    [Pg.140]    [Pg.510]    [Pg.523]    [Pg.9]    [Pg.344]    [Pg.87]    [Pg.176]    [Pg.233]    [Pg.233]    [Pg.235]    [Pg.298]    [Pg.299]    [Pg.333]    [Pg.405]   
See also in sourсe #XX -- [ Pg.68 ]



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