The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
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Page 9
... walls were in common . These walls were extremely thin and translucent , and sometimes riddled with pores . The term cells was also used both by his contemporaries and successors in their writings on the anatomy of plants . But ...
... walls were in common . These walls were extremely thin and translucent , and sometimes riddled with pores . The term cells was also used both by his contemporaries and successors in their writings on the anatomy of plants . But ...
Page 10
... walls , but they are so thin as to be indistinguishable . The presence of organised vesicles or globules in the tissues of animals had thus been recognised , but it needed further observations and facts in order to bring them into ...
... walls , but they are so thin as to be indistinguishable . The presence of organised vesicles or globules in the tissues of animals had thus been recognised , but it needed further observations and facts in order to bring them into ...
Page 11
... walls , though he did not detect a nucleus in them . Purkinje , Von Baer , Rudolph Wagner , Coste , and Wharton Jones ... wall or embedded in it was the nucleus , which in its turn contained the nucleolus . Schwann , however , recognised ...
... walls , though he did not detect a nucleus in them . Purkinje , Von Baer , Rudolph Wagner , Coste , and Wharton Jones ... wall or embedded in it was the nucleus , which in its turn contained the nucleolus . Schwann , however , recognised ...
Page 12
... wall separated from the cell nucleus , and a vesicle was formed ; the intermediate space at the same time became filled with fluid , which constituted the cell contents . Schleiden contented himself with little more than a simple ...
... wall separated from the cell nucleus , and a vesicle was formed ; the intermediate space at the same time became filled with fluid , which constituted the cell contents . Schleiden contented himself with little more than a simple ...
Page 18
... wall was the structure engaged in forming the secre- tion ; but in a reprint of it in 1845 , he modified that view ... walls of the corpuscles and the hyaline matrix became absorbed . He also gave illustrations of the multipli- cation of ...
... wall was the structure engaged in forming the secre- tion ; but in a reprint of it in 1845 , he modified that view ... walls of the corpuscles and the hyaline matrix became absorbed . He also gave illustrations of the multipli- cation of ...
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.