Induced cell-reproduction and . IRST TIME REVELATIONS CONCERNING THESE DIVISIONS THE ROLES PLAYED BY THE ALTMANNS GRANULES, NUCLEI, ANDNUCLEOLI IN THEIR CELL-DIVISION Before proceeding to discuss the problem of thecausation of cell-division, it is necessary to state thatanother piece of information was at our disposal whichwe believed to be intimately associated with cell-division,although the fact was not appreciated when the pointwas first noticed. During experimentation with amixture of stain and alkaloid on blood-cells it wasnoticed that with a citrated mixture of Unnas stainand t
Induced cell-reproduction and . IRST TIME REVELATIONS CONCERNING THESE DIVISIONS THE ROLES PLAYED BY THE ALTMANNS GRANULES, NUCLEI, ANDNUCLEOLI IN THEIR CELL-DIVISION Before proceeding to discuss the problem of thecausation of cell-division, it is necessary to state thatanother piece of information was at our disposal whichwe believed to be intimately associated with cell-division,although the fact was not appreciated when the pointwas first noticed. During experimentation with amixture of stain and alkaloid on blood-cells it wasnoticed that with a citrated mixture of Unnas stainand the alkaloid atropine the lymphocytes sometimesextrude granules (fig. 39) from their cell-walls. Thesegranules remain attached to the cell by means of astreamer, apparently derived from the cell-wall extrusion appears to be a deliberate one on thepart of the cell, and the granule ultimately becomesseparated from it altogether. This extrusion, or flagel-lation as we erroneously called it, has been confirmed 172 FLAGELLATION ITS.
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