The Shipley Collection of Scientific Papers, Volume 331890 - Zoology |
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Results 1-5 of 34
Page 25
... living force ; the nucleus , he thought , played an important rôle , though its exact function could not be defined . The only structural character which Schultze recognised in the protoplasm , was a finely granular appearance ...
... living force ; the nucleus , he thought , played an important rôle , though its exact function could not be defined . The only structural character which Schultze recognised in the protoplasm , was a finely granular appearance ...
Page 26
... living organisms , even if they were only little masses of animal sarcode or protoplasm . He was not , however , disposed to extend the definition to iso- lated fragments of living protoplasm , unless the whole group of phenomena ...
... living organisms , even if they were only little masses of animal sarcode or protoplasm . He was not , however , disposed to extend the definition to iso- lated fragments of living protoplasm , unless the whole group of phenomena ...
Page 27
... living or dead , incapable of multiplying itself , and not coloured red by carmine like the germinal matter . In ... living , germinal matter , and an inactive , non - living , formed material . Every living elementary part is derived ...
... living or dead , incapable of multiplying itself , and not coloured red by carmine like the germinal matter . In ... living , germinal matter , and an inactive , non - living , formed material . Every living elementary part is derived ...
Page 33
... living substance en- dowed with great functional activity . It possesses a power of assimilation , and can extract from the appropriate pabulum the material that is necessary for nutrition , secretion , and growth . Growth takes place ...
... living substance en- dowed with great functional activity . It possesses a power of assimilation , and can extract from the appropriate pabulum the material that is necessary for nutrition , secretion , and growth . Growth takes place ...
Page 34
... living or dead ; for morphological and functional changes take place in it long after its original formation . Thus the hyaline matrix , or intercellular substance , of the young costal cartilages becomes converted into a fibrous matrix ...
... living or dead ; for morphological and functional changes take place in it long after its original formation . Thus the hyaline matrix , or intercellular substance , of the young costal cartilages becomes converted into a fibrous matrix ...
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.