General physiology; an outline of the science of life . Fig. 273.—/, Carchesium polypinum, a stalk of Ciliata. A, The individuals are extended upon theirstalks. B, The individuals have contracted as the result of a shock. //, A, Eudorina elegansa colony of Flagtllata; B, Magosphcera planula, a colony of Ciliata. (After Haeckel.) others. Dependence upon the other cells is too great, but smallgroups of cells can maintain themselves and live separately. ,as Vbchting (85) has shown, the leaves of many plants can be cutinto minute pieces and from them whole plants can grow, andlikewise, as has
General physiology; an outline of the science of life . Fig. 273.—/, Carchesium polypinum, a stalk of Ciliata. A, The individuals are extended upon theirstalks. B, The individuals have contracted as the result of a shock. //, A, Eudorina elegansa colony of Flagtllata; B, Magosphcera planula, a colony of Ciliata. (After Haeckel.) others. Dependence upon the other cells is too great, but smallgroups of cells can maintain themselves and live separately. ,as Vbchting (85) has shown, the leaves of many plants can be cutinto minute pieces and from them whole plants can grow, andlikewise, as has been seen (Fig. 2, p. 57), every piece of a Hydrathat has been cut up is capable of independent life. 570 GENERAL PHYSIOLOGY The dependence of the individual cells upon one another inmany tissues of the higher animals is still closer than in theplants and the lowest Gcelenterata. Here a pronounced despotismprevails. The constitution of ciliated epithelia affords an interest-ing example. As is well known, a ciliated epithelium consists ofmany success
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Keywords: ., bookcentury1800, bookdecade1890, bookidgen, booksubjectphysiology
