"Embryonal" Quotes from Famous Books
... 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
... on the abdominal surface below the costal 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 ... — Anomalies and Curiosities of Medicine • George M. Gould
... 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
... the propagative affinity all the gemmules emitted by all the cells of the individual flow together and become condensed in the cells which compose the sexual organs, whether male or female (embryonal vesicle, cells of the embryo, pollen grains, fovilla, antherozoids, spermatozoids), and likewise flow together and become condensed in the cells which constitute the organs of a sexual or agamic reproduction (buds, spores, bulbilli, portions of the ... — On the Genesis of Species • St. George Mivart
... palaeontological data,—agrees well with the specific resemblances which exist between two successive faunas, with the parallelism which is sometimes observed between the series of palaeontological 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 ... — Atlantic Monthly Volume 6, No. 34, August, 1860 • Various |