. The biology of the protozoa. Protozoa; Protozoa. # i. Fig. 129.— Uroleptus mobilis. Division of double individual; type with one divi- sion nucleus. D, the single nucleus formed by fusion of the two independent sets of maeronuclei; E, first division of the single nucleus; F, reconstruction after division with a new type of macronucleus formed from the single division nucleus. (After Calkins.) ing effects upon the general vitality. The chemical and physical make-up of the protoplasm of an individual may change with con- tinued metabolic activities and lead to a change from what is termed a la
. The biology of the protozoa. Protozoa; Protozoa. # i. Fig. 129.— Uroleptus mobilis. Division of double individual; type with one divi- sion nucleus. D, the single nucleus formed by fusion of the two independent sets of maeronuclei; E, first division of the single nucleus; F, reconstruction after division with a new type of macronucleus formed from the single division nucleus. (After Calkins.) ing effects upon the general vitality. The chemical and physical make-up of the protoplasm of an individual may change with con- tinued metabolic activities and lead to a change from what is termed a labile condition when actions, reactions and interactions are per- fectly balanced and at a maximum of activity, to a more stable condition when these activities become increasingly unbalanced or cease Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Calkins, Gary N. (Gary Nathan), b. 1869. Philadelphia, Lea & Febiger
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