...Still the line of cleavage was not patriotic nor even international... 
Various 「Ainslee's, Vol. 15, No. 5, June 1905」
...At the commencement of the cleavage itgathers at the equator of the cell, between the stellar poles, and forms acrown of U-shaped loops (generally four or eight, or some other definitenumber)...
Ernst Haeckel 「The Evolution of Man」
...This is done by the simple process of cleavage (Fig...
Ernst Haeckel 「The Evolution of Man」
...The same direct cleavage of the nuclei is also witnessed in thereproduction of many other protists, while other unicellular organisms show theindirect division of the cell...
Ernst Haeckel 「The Evolution of Man」
...Now, however, each of them subdivides into twoequal halves, the cleavage of the nucleus again preceding that of thesurrounding protoplasm...
Ernst Haeckel 「The Evolution of Man」
...In these cases the cleavage of the ovum begins atthe upper pole, and leads to the formation of a dorsal discoid embryo...
Ernst Haeckel 「The Evolution of Man」
...40—The cleavage of the frog’s ovum(magnified)...
Ernst Haeckel 「The Evolution of Man」
...The cleavage of the stem-cell (Fig...
Ernst Haeckel 「The Evolution of Man」
...All these and manyother classes of animals generally agree in the circumstance that insegmentation theirovum divides into a large number of cells by repeated cleavage...
Ernst Haeckel 「The Evolution of Man」
...We can,therefore, reduce this cenogenetic form of the discoid segmentation to thepalingenetic form of the primitive cleavage...
Ernst Haeckel 「The Evolution of Man」
...A circular cleavage next takingplace round the middle, the eight triangular cells divide into sixteen, ofwhich eight are in the middle and eight distributed around (C)...
Ernst Haeckel 「The Evolution of Man」
...As with these, partial cleavage takes place at aspot on the surface at which the small formative yelk and the nucleus itencloses are found...
Ernst Haeckel 「The Evolution of Man」
...In thesecases the whole yelk undergoes cleavage at first, and forms a yelk-gland,composed of yelk-cells, in the ventral wallof the primitive gut...
Ernst Haeckel 「The Evolution of Man」
...(As to the womb and oviductsee Chapter XXIX) The cleavage and formation of the gastrula take place in theoviduct...
Ernst Haeckel 「The Evolution of Man」
...The whole life of these homogeneous globules of plasm consistsof simple growth and reproduction by cleavage...
Ernst Haeckel 「The Evolution of Man」
...In all the Metazoa the first embryonic process is therepeated cleavage of the stem-cell, or first segmentation-cell (Fig...
Ernst Haeckel 「The Evolution of Man」
...In the genealogical treeof the Vertebrates this palingenetic form of segmentation has been preserved inthe Amphioxus alone, all the other Vertebrates having cenogenetically modifiedforms of cleavage...
Ernst Haeckel 「The Evolution of Man」
...In cleavage the two products are equal in ageand morphological value...
Ernst Haeckel 「The Evolution of Man」
...235 e); the latter are very small on accountof their repeated cleavage, and change into mobile cone-shaped spermatozoa(Fig...
Ernst Haeckel 「The Evolution of Man」
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