. The biology of the protozoa. Protozoa; Protozoa. 394 BIOLOGY OF THE PROTOZOA amazing numbers, but to bring about encystation and excystation at will while, at any stage, dysentery in kittens could be produced. The tissue-invading forms of E. dysenteriae are usually from 20 n to 30 n in size but variations above and below these limits may occur. The organism quickly degenerates outside the body and becomes quiet with a thick hyaline ectoplasm, but under normal conditions it shows great activity, moving occasionally like a Umax type of ameba or more frequently by the formation of large blunt p
. The biology of the protozoa. Protozoa; Protozoa. 394 BIOLOGY OF THE PROTOZOA amazing numbers, but to bring about encystation and excystation at will while, at any stage, dysentery in kittens could be produced. The tissue-invading forms of E. dysenteriae are usually from 20 n to 30 n in size but variations above and below these limits may occur. The organism quickly degenerates outside the body and becomes quiet with a thick hyaline ectoplasm, but under normal conditions it shows great activity, moving occasionally like a Umax type of ameba or more frequently by the formation of large blunt pseudo- Am B. ij V /. 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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