Meckel Sentence Examples

Meckel proceeds to exemplify the thesis, that the lower forms of animals represent stages in the course of the development of the higher, with a large series of illustrations.

The greatest of all investigators of animal structure in the 19th century was Johann Miller (1801-1858), the successor in Germany of the anatomists Rathke (1793-1860) and Meckel (1781-1833).

Thus the recapitulation law, which had been built up independently from the observations and speculations on vertebrates by Lorenz Ofen (1779-1851), Johann Friedrich Meckel (1781-1833), St Hilaire, Karl Ernst von Baer (1;92-1876) and others, and had been applied (1842-1843) by Karl Vogt (1817-1895) and Agassiz, in their respective fields of observation, to comparison of individual stages with the adults of the same group in preceding geological periods, furnished the key to the determination of the ancestry of the invertebrates generally.

Meckel (1781-1833) he edited the Archiv fur Anatomie and Physiologie.

If Meckel's proposition is so far qualified, that the comparison of adult with embryonic forms is restricted within the limits of one type of organization; and if it is further recollected, that the resemblance between the permanent lower form and the embryonic stage of a higher form is not special but general, it is in entire accordance with modern embryology; although there is no branch of biology which has grown so largely, and improved its methods so much since Meckel's time, as this.

Meckel's diverticulum-A congenital abnormality of the digestive tract consisting of a small pouch off the wall of the small bowel that was not reabsorbed before birth.

A Meckel's diverticulum increases the risk that a foreign object in the digestive tract will get trapped or stuck in the small intestine and cause problems.