. The cell; outlines of general anatomy and physiology. Cells; Anatomy; Physiology; Cells; Anatomy; Physiology. THE VITAL PHENOMENA OF THE CELL 211 lobtilated nuclei are frequently seen, and yet fragmentation does not appear to occur in these cases, so that the lobulation must not ". Fig. 103.âTradescantia virg'mica. Cell nuclei of older internodes undergoing direct division (after Strasburger, Fig. 193) : A from life ; B after treatroent with acetic-acid- methyl green. be considered to be tbe commencement of direct division. It is apparently connected with metabolic processes in the nucl
. The cell; outlines of general anatomy and physiology. Cells; Anatomy; Physiology; Cells; Anatomy; Physiology. THE VITAL PHENOMENA OF THE CELL 211 lobtilated nuclei are frequently seen, and yet fragmentation does not appear to occur in these cases, so that the lobulation must not ". Fig. 103.âTradescantia virg'mica. Cell nuclei of older internodes undergoing direct division (after Strasburger, Fig. 193) : A from life ; B after treatroent with acetic-acid- methyl green. be considered to be tbe commencement of direct division. It is apparently connected with metabolic processes in the nucleus (cf. what is said upon the subject in Chapter VIII.). Nuclear multiplication by direct division occurs v a also amongst Protista; it is seen with especial frequency in the group of Acinet93, of which the Podophrya gemmipara (Fig. 104), described on p. 229, is an instructive example. 3. Endogenous Nuclear Multiplication, or the Formation of Multiple Fig. 104. â Cell-budding. Podophrya Nuclei. "^'''^ ^""^^ (^- Hertwig, Zoology, Fig. 21): o buds \ ,-,â ^ T f^ , which are becoming detached and developing into A third, very different zoospores h â . n 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 Hertwig, Oscar, 1849-1922; Campbell, M. , tr; Campbell, Henry Johnstone, 1859- ed. London, S. Sonnenschein & Co. ; New York, Macmillan & Co.
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