The development of the human body; a manual of human embryology . Fig. 3.—Diagrams Illustrating the Metaphase and Anphasesop Mitosis.—(Adapted from E. B. Wilson.) constriction makes its appearance at the surface of thecytoplasm (Fig. 3, C) and, gradually deepening, dividesthe cytoplasm in a plane passing through the equator ofthe amphiaster and gives rise to two separate cells ()- 24 THE DEVELOPMENT OF THE HUMAN BODY. This complicated process, which is known as karyo-kinesis or mitosis, is the one usually observed in dividingcells, but occasionally a cell divides by the nucleus be-comin
The development of the human body; a manual of human embryology . Fig. 3.—Diagrams Illustrating the Metaphase and Anphasesop Mitosis.—(Adapted from E. B. Wilson.) constriction makes its appearance at the surface of thecytoplasm (Fig. 3, C) and, gradually deepening, dividesthe cytoplasm in a plane passing through the equator ofthe amphiaster and gives rise to two separate cells ()- 24 THE DEVELOPMENT OF THE HUMAN BODY. This complicated process, which is known as karyo-kinesis or mitosis, is the one usually observed in dividingcells, but occasionally a cell divides by the nucleus be-coming constricted and dividing into two parts withoutany development of chromosomes, spindle, etc., thedivision of the cell following that of the nucleus. Thisamitotic method of division is, however, rare, and itseems probable that it occurs, as a rule, only in cellswhose reproductive activities are becoming actively reproducing cells the mitotic method of divi-sion may. be regarded as the rule. Since the process of development consists of the multi
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902
