The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
From inside the book
Results 1-5 of 45
Page
... ) The method of organic evolution . I , Mac Bride ( E.W. ) The position of morphology in zoological science , THE the Author's W. CELL THEORY , PAST AND PRESENT 1. Turner ( Sir W. ) The cell theory , past and present .
... ) The method of organic evolution . I , Mac Bride ( E.W. ) The position of morphology in zoological science , THE the Author's W. CELL THEORY , PAST AND PRESENT 1. Turner ( Sir W. ) The cell theory , past and present .
Page 22
... position , that the theory of free cell formation was shortly after abandoned in connection with pathological processes , as it had been some time previously by most observers in normal histiogenesis.4 1 Op . cit . , 1845 . " Abnormal ...
... position , that the theory of free cell formation was shortly after abandoned in connection with pathological processes , as it had been some time previously by most observers in normal histiogenesis.4 1 Op . cit . , 1845 . " Abnormal ...
Page 30
... position in the deeper part of the nucleus ; its equator lies in the plane , through which division of the nucleus is about to occur . The loops of chro- matin fibres group themselves in a ring - like manner around the equator of the ...
... position in the deeper part of the nucleus ; its equator lies in the plane , through which division of the nucleus is about to occur . The loops of chro- matin fibres group themselves in a ring - like manner around the equator of the ...
Page 32
... position of the subject . We have seen that the original conception of a cell was a minute , micro- scopic box , chamber , bladder , or vesicle , with a definite wall , and with more or less fluid contents . This conception was ...
... position of the subject . We have seen that the original conception of a cell was a minute , micro- scopic box , chamber , bladder , or vesicle , with a definite wall , and with more or less fluid contents . This conception was ...
Page 35
... position of the CELL THEORY differs therefore in many important respects from the doctrine advocated by Schwann and his immediate successors . Cells are no longer regarded as of necessity bladders or vesicles . A cell wall is not ...
... position of the CELL THEORY differs therefore in many important respects from the doctrine advocated by Schwann and his immediate successors . Cells are no longer regarded as of necessity bladders or vesicles . A cell wall is not ...
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.