. The action of the living cell; experimental researches in biology. Cells; Shock; Irritability. NATURAL RESISTANCE 175 a combination of factors which early brings about their death. Obviously, then, such conditions may be utilized as a rather severe test of our ability to raise an animal's natural resistance by injections of cytost. 6C. Chickens ECGSX. JAN. Feb. Mar. Apr. May Jul. Figure 13. Graphs showing the effects of cytost injections upon the monthly egg production of hens. The ordinates represent the percentage of the hens which laid eggs each day and the abscissae represent the t
. The action of the living cell; experimental researches in biology. Cells; Shock; Irritability. NATURAL RESISTANCE 175 a combination of factors which early brings about their death. Obviously, then, such conditions may be utilized as a rather severe test of our ability to raise an animal's natural resistance by injections of cytost. 6C. Chickens ECGSX. JAN. Feb. Mar. Apr. May Jul. Figure 13. Graphs showing the effects of cytost injections upon the monthly egg production of hens. The ordinates represent the percentage of the hens which laid eggs each day and the abscissae represent the time after the beginning of the experiment. Curve A refers to the hens stimulated by cytost injections; curve B represents the hens in which a decline was caused by cytost injections; and curve C the control flock. (From Turck, 1923.) Kittens born of normal mothers were divided into two groups. The members of one group were in- jected with a cat anticytost serum which had been prepared as above described, while no attempt was made to immunize the individuals of the other group. All the kittens were then placed in cages which had been sprayed with a potent cytost preparation. All. 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 Turck, Fenton B. (Fenton Benedict), 1857-1932. New York, The Macmillan company
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