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The first edition of Jordan's textbook, which appeared in 1916 with Jordan and Ferguson as joint authors, was itself the successor to "Normal Histology and Microscopical Anatomy," by Jeremiah S. Ferguson. The seventh edition differs from the sixth in form; the pages are larger and there are 738 instead of the 857 in the sixth edition. Thirty-nine of the 610 illustrations have been replaced by new ones, of which about half have been furnished by Prof. Irving Hardesty of Tulane University. Brief additions deal with recent ideas of functional activity. In the article on bone formation the views of Macewen, Policard and Leriche are summarized; according to them the periosteum and the osteoblasts have no osteogenic significance—bone formation and resorption are induced by humoral rather than by cellular factors. Osteoblasts, and especially osteoclasts, are osteolytic in function. Other textual additions deal with the endocrine glands. The hormones reported by Allen and Hisaw which supplement the effect of theelin are described. Swingle's view that the cortex of the adrenal produces hormones which regulate the volume of blood and Britton's view that it is concerned also with the maintenance
A Textbook of Histology. JAMA. 1938;110(3):234. doi:10.1001/jama.1938.02790030068034