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Updated: June 20, 2025
We are, let us suppose, dissecting an animal. After killing it, we lay bare its viscera, examine their colour, form, dimensions, and connections; then we dissect the organs in order to ascertain their internal nature, their texture, structure, and function; then, not content with ocular anatomy, we have recourse to the perfected processes of histology: we take a fragment of the tissues weighing a few milligrammes, we fix it, we mount it, we make it into strips of no more than a thousandth of a millimetre thick, we colour it and place it under the microscope, we examine it with the most powerful lenses, we sketch it, and we explain it.
William H. Howell, Johns Hopkins, '81. He was succeeded in 1892 by Dr. Warren P. Lombard, Harvard, '78, who held both Professorships until 1898, when Dr. Huber, at that time Assistant Professor of Anatomy, was made Director of the Histological Laboratory, becoming Junior Professor in 1899 and Professor of Histology and Embryology four years later.
The following organization is suggested as desirable, although, as indicated below, not necessarily essential in the beginning: An expert especially interested in the problems of behavior, psychology, and sociology, with keen appreciation of practical as well as of theoretical problems; an assistant trained especially in comparative physiology; an expert in genetics and experimental zoology; an assistant with training and interests in comparative anatomy, histology, and embryology; an expert in experimental medicine, who could conduct and direct studies of the diseases of man as well as of the lower primates and of measures for their control; an assistant trained especially in pathology and neurology.
He was constantly at war with the pathologist over the question of where histology left off and pathology began, and both of them were inclined to differ with the man in charge of the hygienic laboratory over similar questions of jurisdiction. Furthermore, we had a chemical laboratory split up into various more or less independent subdivisions, and a psychological laboratory.
But while many of the sciences have so changed that the teachers of the past would hardly know them, it has not been so with the branch I teach, or, rather, with that division of it which is chiefly taught in this amphitheatre. General anatomy, or histology, on the other hand, is almost all new; it has grown up, mainly, since I began my medical studies.
At the moment when these observations were communicated to him Schwann was puzzling over certain details of animal histology which he could not clearly explain. Then, too, the researches of Friedrich Henle had shown that the particles that make up the epidermis of animals are very cell-like in appearance.
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