General physiology; an outline of the science of life . eated pieces of Infusoria together with uninjured in-dividuals, and let a stream of washed hydrogen pass through thechamber from a Kipps apparatus (Fig. 258); in a short time thisforces out the air contained in the chamber. As a rule after fiveor ten minutes we see the non-nucleated and the nucleated piecesand the uninjured Infusoria begin to undergo granular disin-1 Cf. Verworn (91). 2 Of. p. 283. 520 GENERAL PHYSIOLOGY tegration. If then the hydrogen be very rapidly displaced by freshair, it is frequently possible to prevent complete di
General physiology; an outline of the science of life . eated pieces of Infusoria together with uninjured in-dividuals, and let a stream of washed hydrogen pass through thechamber from a Kipps apparatus (Fig. 258); in a short time thisforces out the air contained in the chamber. As a rule after fiveor ten minutes we see the non-nucleated and the nucleated piecesand the uninjured Infusoria begin to undergo granular disin-1 Cf. Verworn (91). 2 Of. p. 283. 520 GENERAL PHYSIOLOGY tegration. If then the hydrogen be very rapidly displaced by freshair, it is frequently possible to prevent complete disintegration,which otherwise invariably appears after a short time. It followsfrom this that in non-nucleated protoplasmic masses, oxidationprocesses take place as in nucleated masses and uninjured , therefore, is in a certain degree independent of theinfluence of the nucleus. This is completely confirmed by theexperiments of Demoor (95), who put the cells of Spirogyra intopure hydrogen and found that the protoplasm soon suspended all. Fig. 25S.—/, Engelmanns gas-chamber. An annular space is closed below by a glass plate andabove by a metal cover, the latter having in its middle a cover-glass for the examinationof a pendent drop ; a a are tubes which open into the cavity of the ring and serve for heatingthe latter by conveying warm water through it; b b are tubes which open into the glass-covered chamber and serve for the passage of gases; the drop suspended upon the cover-glass with its living contents is bathed by the gas in the chamber. II, Arrangement forinvestigation in pure hydrogen, a, Kipps apparatus for the production of hydrogen ; 6, twowash-bottles for purifying the hydrogen ; e, microscope upon which is the gas-chambercontaining the pendent drop. vital phenomena, while the nucleus showed no disturbance andquietly proceeded to divide. It appears, accordingly, as ifrespiration were localized exclusively in the protoplasm, as if thenucleus took no di
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Keywords: ., bookcentury1800, bookdecade1890, bookidgen, booksubjectphysiology
