Elements of histology / by E. Klein.

  • Edward Emanuel Klein
Date:
1884
Catalogue details

Licence: Public Domain Mark

Credit: Elements of histology / by E. Klein. Source: Wellcome Collection.

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    this process of division. Not long after, each of the two daughter elements undergoes cleavage or division Fig. 3b.—Vertical Section througli tlie Ovum of Bufo Cinereus, in the early stage of the Embryo Development, a, Tegmental layer of epiblast; 6, dorsal groove; c, rudiiuent of central nervous system ; d, notochitrd; e, deep layer of epiblast; /, raesoblast; g, hypoblast; h, cavity of alimentary canal—Rusconi's cavity; H, central yolk ; A:, remainder of von JtJaer's or segmentation cavity. (Handbook.) into two new elements, the nucleus having previously divided into two, so that each of the new offsprings possesses its own nucleus. This process of division is continued in the same manner for many generations