"Embryonal" Quotes from Famous Books
... paleontological data—agrees well with the specific resemblances which exist between two successive faunas, with the parallelism which is sometimes observed between the series of paleontological succession and of embryonal development," etc.; and finally, although he does not accept the theory in these results, he allows that "it appears to offer the best means of explaining the manner in which organized beings were produced in epochs anterior to ... — Evolution and Ethics and Other Essays • Thomas H. Huxley
... indurated condition of the gland, resulting from chronic inflammation, though it is often associated with a specific deposit, like glanders. In this condition the natural structure of the gland has given place to embryonal tissue (small, round cells, with a few fibrous bundles), and its restoration to health is very improbable. Apart from active inflammation, it may increase very slowly. The diseased testicle is enlarged, firm, nonelastic, and comparatively ... — Special Report on Diseases of the Horse • United States Department of Agriculture
... wings. They of the long necks in the water became the progenitors of the fowls of the air." Modern science records her endorsement. "The class of birds as already remarked is so closely allied to Reptiles in internal structure and by embryonal development that they undoubtedly originated out of a branch of this class.... The derivation of birds from reptiles first took place in the Mesolithic epoch, and this moreover probably during ... — The Story of Atlantis and the Lost Lemuria • W. Scott-Elliot
... remark to be made. As we have seen above, recent research has shown that natural selection or struggle for life is no explanation of variations. Hugo de Vries distinguishes between partial and embryonal variations, or between variations and mutations, only the last-named being heritable, and therefore of importance for the origin of new species. But the existence of variations is not only of interest for the problem of the origin of species; it has also a ... — Darwin and Modern Science • A.C. Seward and Others
... cartilages, above the umbilicus, in the axilla, in the groin, on the dorsal surface, on the labium majus, and on the outer aspect of the left thigh. Ahlfeld explains the presence of mammae on odd parts of the body by the theory that portions of the embryonal material entering into the composition of the mammary gland are carried to and implanted upon any portion of the exterior of the body by means of ... — Anomalies and Curiosities of Medicine • George M. Gould |