The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
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Page 14
... regards the part which the nucleus plays in the process of cell formation , both Schleiden and Schwann regarded it as of prime importance , though in the subsequent life of the cell they considered that its function terminated ...
... regards the part which the nucleus plays in the process of cell formation , both Schleiden and Schwann regarded it as of prime importance , though in the subsequent life of the cell they considered that its function terminated ...
Page 19
... regard to the free formation of cells , as it was not unfrequently called , by deposition in a cytoblastema situated ... regards the physiological action of cells , Mr ( now Sir William ) Bowman had expressed the opinion1 that there was ...
... regard to the free formation of cells , as it was not unfrequently called , by deposition in a cytoblastema situated ... regards the physiological action of cells , Mr ( now Sir William ) Bowman had expressed the opinion1 that there was ...
Page 22
... regard to the pro- duction of pus and other products of inflammation . Pathologists had indeed very generally supported the theory of the free formation of cells in exudations ; but this view , however , was not universally entertained ...
... regard to the pro- duction of pus and other products of inflammation . Pathologists had indeed very generally supported the theory of the free formation of cells in exudations ; but this view , however , was not universally entertained ...
Page 31
... regards the cleavage of the protoplasm , there is no evidence that such a rearrangement of its con- stituent parts takes place as to give to each daughter cell one - half of the protoplasm from each pole of the mother cell . It is ...
... regards the cleavage of the protoplasm , there is no evidence that such a rearrangement of its con- stituent parts takes place as to give to each daughter cell one - half of the protoplasm from each pole of the mother cell . It is ...
Page 32
... regards that tissue , it holds good to a large extent to the present day . For the cellulose walls of the cells of plants , with their various modifications in thickness , markings , and chemical composition , constitute the most ...
... regards that tissue , it holds good to a large extent to the present day . For the cellulose walls of the cells of plants , with their various modifications in thickness , markings , and chemical composition , constitute the most ...
Common terms and phrases
acquired characters Actinozoa adult alimentary Amphioxus Anatomy ancestral Annelid ants appear archenteron assume become blastopore body Burchell's zebra carapace-length cavity changes chromatin cœlom colour connection corpuscles degeneration dentary derived deviation differentiation diploblastic disuse division ectoderm eggs embryo essay evolution excretory existence explanation fact females fibres formation frontal breadth germ germ-plasm growth homologous horse hybrid hypothesis important insects instance instincts larva larvæ legs less males mare mean mesoblast Metazoa modified morphological mouth and anus natural selection nephridia nervous system neural canal nucleus number of glands nutrition observations occur ontogeny organs origin ovum Panmixia Peripatus plants plasm pores pouches present primitive streak principle produced Professor Weismann protoplasm recognised regard reproductive cells result Schwann Sedgwick segmentation nucleus segmented animals somites specialised species Spencer stage structure substance supposed telegony theory tion tissues unicellular variability variations Vertebrata Vertebrate workers yolk zebra
Popular passages
Page 65 - The elementary parts of all tissues are formed of cells in an analogous, though very diversified manner, so that it may be asserted, that there is one universal principle of development for the elementary parts of organisms, however different, and that this principle is the formation of cells.
Page 7 - XVIII. OF THE SCHEMATISME OR TEXTURE OF CORK, AND OF THE CELLS AND PORES OF SOME OTHER SUCH FROTHY BODIES...
Page 72 - PROCESSES, AND COLLATERAL INFORMATION IN THE ARTS, MANUFACTURES, PROFESSIONS, AND TRADES, INCLUDING MEDICINE, PHARMACY, AND DOMESTIC ECONOMY ; designed as a General Book of Reference for the Manufacturer, Tradesman, Amateur, and Heads of Families.