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Embryology   Listen
noun
Embryology  n.  (Biol.) The science which relates to the formation and development of the embryo in animals and plants; a study of the gradual development of the ovum until it reaches the adult stage.






Collaborative International Dictionary of English 0.48








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"Embryology" Quotes from Famous Books



... recur, should indeed have induced some one to venture upon a road which, if it proved to be the right one, would have been a glorious path to a future of discoveries and distinctions. But no. A dense fog obscured all minds, and the dazzling truth could not pierce it; thus all progress in embryology was precluded. ...
— Spontaneous Activity in Education • Maria Montessori

... native of Esthonia; professor of zoology, first in Koenigsberg and then in St. Petersburg; the greatest of modern embryologists, styled the "father of comparative embryology"; the discoverer of the law, known by his name, that the embryo when developing resembles those of successively ...
— The Nuttall Encyclopaedia - Being a Concise and Comprehensive Dictionary of General Knowledge • Edited by Rev. James Wood

... carried on during the last forty years, and it has revealed among the present institutions of primitive folk some traces of still older institutions which have long disappeared, but nevertheless left unmistakable traces of their previous existence. A whole science devoted to the embryology of human institutions has thus developed in the hands of Bachofen, MacLennan, Morgan, Edwin Tylor, Maine, Post, Kovalevsky, Lubbock, and many others. And that science has established beyond any doubt that mankind did not begin its life in the shape ...
— Mutual Aid • P. Kropotkin

... Embryology.—The greater part of the alimentary canal is formed by the closing-in of the entoderm to make a longitudinal tube, ventral and parallel to the notochord. This tube is blind in front and behind (cephalad and caudad), but the middle part of its ventral wall is for some distance continuous ...
— Project Gutenberg Encyclopedia

... the Embryology of the Invertebrata, 1914 (Text-Book of Embryology, edited by Walter Heape, vol. i.), Professor E. W. MacBride in his general summary (chapter xviii.) puts forward suggestions concerning hormones without any reference ...
— Hormones and Heredity • J. T. Cunningham

... anatomy, or a general study of the parts; and minute anatomy, or "Histology," in which a microscopic examination is made of the structure of the different parts. A special department of Morphology called "Embryology" is often recognized. This embraces a study of the development of the organism from its earliest stage, and also the ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell

... one has borne warmer testimony to the influence Dollinger has had in this indirect way on the progress of our science than the investigator I have already mentioned as his greatest pupil,—von Baer. In the introduction to his work on embryology he gratefully acknowledges his debt ...
— Louis Agassiz: His Life and Correspondence • Louis Agassiz

... we have in the Emperor penguin the nearest approach to a primitive form not only of a penguin but of a bird makes the future working out of its embryology a matter of the greatest possible importance. It was a great disappointment to us that although we discovered their breeding-ground, and although we were able to bring home a number of deserted eggs and chicks, we were not able to procure a series of early ...
— The Worst Journey in the World, Volumes 1 and 2 - Antarctic 1910-1913 • Apsley Cherry-Garrard

... of Type Morphology Embryology Attempt to explain the facts of embryology On the graduated complexity in each great class Modification by selection of the forms of immature animals Importance of embryology in classification Order in time in which the great classes have ...
— The Foundations of the Origin of Species - Two Essays written in 1842 and 1844 • Charles Darwin

... precision and surety. But its materials are all the facts of animal structure, and because each and every known organism can be and must be studied, the investigator engaged in formulating the evidence of evolution has at his disposal all the data referring to the entire realm of animals. The data of embryology are likewise coextensive with the territory of the animal world, for we do not know of any form which does not change in the course of its life history. An adult cat is the product of a kitten which is itself the result of a long ...
— The Doctrine of Evolution - Its Basis and Its Scope • Henry Edward Crampton

... discovery was as follows. My advanced investigations of the brain, between 1835 and 1841, had added so much to the incomplete and inaccurate discoveries of Gall, and had brought cerebral science into so much closer and more accurate relation with cerebral anatomy and embryology, as illustrated by Tiedemann, that I became profoundly aware of the position in which I found myself, as an explorer, possessed of knowledge previously quite unknown, and yet, at the same time, however true, not strictly ...
— Buchanan's Journal of Man, September 1887 - Volume 1, Number 8 • Various

... between persons who have the same faults of inheritance causes the offspring to accumulate faults and to degenerate. Close kinship creates a probable danger that faults will be accumulated. This is a logical deduction. Embryology, at present, seems to teach that there is a combination and extrusion of germ units of such a kind that the physiological process conforms only in a measure to this logical deduction, and the historical-statistical verification of the harm of inbreeding remains very ...
— Folkways - A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals • William Graham Sumner

... forty or a little more, sat close by, busily translating a scientific book into English by alternate reading and consultation with her father. Harry saw the title on her page was 'Researches into the Embryology of the Isopodal Crustaceans,' and conceived at once an immense respect for the learning and wisdom of the communist exile's daughter. Herr Schurz hardly stopped a moment from his work—he never allowed his numerous visitors to interfere in any way with his daily duties—but motioned them both ...
— Philistia • Grant Allen

... therefore had no science, that is, no knowledge—outside his profession—but only what is called learning, though tommyrot would be a fitter name for it. He had only the most meager acquaintance with that great fundamental of a sound and sane education, embryology. He knew nothing of what science had already done to destroy all the still current notions about the mystery of life and birth. He still laughed, as at a clever bit of legerdemain, when Hallowell showed him how far science had progressed toward mastery ...
— The Grain Of Dust - A Novel • David Graham Phillips



Words linked to "Embryology" :   optic cup, germ layer, implantation, cleavage, regulation, eyecup, embryonic, embryologic, biology, biological science, segmentation, teratology, nidation



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