How to use Comparative-anatomy in a sentence

comparative-anatomy
  • The conception of evolution is being applied more rigidly to the comparative anatomy of organs and systems of organs.

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  • These attempts, however, to perpetuate the usage were finally discredited by Huxley's important Lectures on Comparative Anatomy (1864), in which the term was finally abolished, and the "radiate mob" finally distributed among the Echinodermata, Polyzoa, Vermes (Platyhelminthes), Coelenterata and Protozoa.

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  • That chapter of comparative anatomy (together with other anatomical details, for which see the separate articles) is now dealt with in the article Skull; here only the most avine features are alluded to, and since some of Parker's original illustrations have been retained, the description has been shortened considerably.

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  • In recent years classifications in part agreeing with the older schemes but largely original, in accord with researches on the comparative anatomy of the insects, have been put forward.

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  • No indications beyond those furnished by comparative anatomy help us to unravel the phylogeny of the Collembola.

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  • But these and many other contributions, 4 made until nearly the close of the 18th century, though highly meritorious, were unconnected as a whole, and it is plain that no conception of what it was in the power, of Comparative Anatomy to set forth had occurred to the most diligent dissectors.

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  • The new doctrine, loudly proclaiming the discovery of a " Natural" System, led away many from the steady practice which should have followed the teaching of Cuvier (though he in ornithology had not been able to act up to the principles he had lain down) and from the extended study of Comparative Anatomy.

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  • This very remarkable treatise forms the groundwork of almost all later or recent researches in the comparative anatomy and consequent arrangement of the Passeres, and, though it is certainly not free from inperfections, many of them, it must be said, arise from want of material, notwithstanding that its author had command of a much more abundant supply than was at the disposal of Nitzsch.

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  • On the and of February 1825 the presbytery of Brechin licensed him as a preacher in connexion with the Church of Scotland, and in 1826 he was in Paris studying natural philosophy, chemistry, and comparative anatomy.

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  • Thus comparative anatomy came into existence as a branch of inquiry apart from zoology, and it was only in the latter part of the 19th century that the limitation of the word " zoology " to a knowledge of animals which expressly excludes the consideration of their internal structure was rejected by the general consent of those concerned in the progress of science.

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  • From 1874 to 1890 he was professor of zoology and comparative anatomy at University College, London; and from 1891 to 1898 Linacre professor of comparative anatomy at Oxford.

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  • In 1841 he obtained the chair of zoology and comparative anatomy at the Faculty of Sciences in Montpellier, of which he was in 1856 appointed dean.

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  • P. Gratiolet; this post he left in 1868 for the chair of comparative anatomy at the Paris museum of natural history, the anatomical collections of which were greatly enriched by his exertions.

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  • The student will find differences among anthropologists in the interpretation of these marks - some averring that comparative anatomy is worthless as a means of subdividing the American subspecies, others that biological variations point to different Old World origins, a third class believing these structural variations to be of the soil.

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  • Their primary object is to gratify the pleasure most persons take in viewing at close range the curious and beautiful living products of nature, but they serve also as means of instruction in natural history, providing material for museums and for investigations in comparative anatomy and pathology, while they may have a commercial value as pleasure resorts, or as show grounds for the display of animals that have been imported or bred for sale.

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  • I.-First Historic Period The scientific recognition of fossils as connected with the past history of the earth, from Aristotle (384-322 B.C.) to the beginning of the 19th century, in connexion with the rise of comparative anatomy and geology.

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  • Palaeontology connected with comparative anatomy by Cuvier.

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  • The mutual relations of palaeontology and embryology and comparative anatomy as means of determining the ancestry of animals are most interesting.

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  • The most marked case of such inversion in comparative anatomy is that of Carl Gegenbaur (5826-5903), who in arranging the fins of fishes in support of his theory that the fin of the Australian.

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  • The student must therefore resort to what may be called a tripod of evidence, derived from the available facts of embryology, comparative anatomy and palaeontology.

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  • To Mitrophanow (1883-1884) and Danilewsky (1885-1889) we owe the first serious attempts to study the comparative anatomy of these haematozoa.

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  • Buffon, in a cautious, tentative fashion, suggested rather than stated the mutability of species and the influence of the forces of nature in moulding organisms. Immanuel Kant, in his Theory of the Heavens (1755), foreshadowed a theory of the development of unformed matter into the highest types of animals and plants, and suggested that the gradations of structure revealed by comparative anatomy pointed to the existence of blood relationship of all organisms, due to derivation from a common ancestor.

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  • Darwin himself showed that different species in a genus, or varieties in a species, tended to show parallel variations, whilst comparative anatomy has made known a multitude of cases where allied series of animals or plants show successive stages of parallel but independent variations of important organs and functions.

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  • He was the second of a family of four, the eldest of whom, Jean Theodore (1801-1870), travelled a great deal in his youth, and was afterwards professor of comparative anatomy at Liege.

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  • But they rarely prosecuted researches in physics or astronomy, and the newly created sciences of biology and comparative anatomy received no adequate recognition from them.

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  • But the scattered details of comparative anatomy are capable of manifold arrangement, while the palimpsest of individual development is not merely fragmentary, but often has the fragments misplaced.

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  • The evidence for the Pelmatozoic theory is supplied by palaeontology, embryology, the comparative anatomy of the classes, and a consideration of other phyla.

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  • In the later part of his life he chiefly devoted himself to comparative anatomy.

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  • Biology comparative anatomy This is perhaps the bed-rock of most dinosaur science.

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  • From comparative anatomy alone it is possible to arrange a series of living forms which, although structurally a convincing array because placed in a graded series, may be, nevertheless, in an order inverse to that of the actual historical succession.

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  • His true greatness can only be estimated by a consideration of the fact that he was a great teacher not only of human and comparative anatomy and zoology but also of physiology, and that nearly all the most distinguished German zoologists and physiologists of the period 1850 to 1870 were his pupils and acknowledged his leadership. The most striking feature about Johann Miller's work, apart from the comprehensiveness of his point of view, in which he added to the anatomical and morphological ideas of Cuvier a consideration of physiology, embryology and microscopic structure, was the extraordinary accuracy, facility and completeness of his recorded observations.

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