(This is a reproduction of a book published before 1923. T...)
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The Effects of Inanition and Malnutrition Upon Growth and Structure (Classic Reprint)
(Excerpt from The Effects of Inanition and Malnutrition Up...)
Excerpt from The Effects of Inanition and Malnutrition Upon Growth and Structure
The widespread occurrence of human famine during and since the world war has raised serious questions concerning both the immediate and the remote effects upon the human species. Even in the more fortunately situated coun tries, recent investigations have revealed, especially among children, a large amount of malnutrition, with possible consequences of great importance to society.
Inanition in animals and plants is likewise a subject of much interest, and presents a method of the utmost value in the study of the living organism. By withholding or decreasing the normal diet (total inanition) or merely one or more of the essential nutritional elements (partial inanition), we may observe effects which throw much light upon the process of nutrition from the standpoint of normal morphology, of physiology, or of pathology.
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Clarence Martin Jackson was an American anatomist.
Background
Jackson was born on April 12, 1875, in What Cheer, Iowa, the eldest of the five boys and four girls born to John Calvin Jackson, a physician, and Sonora Adeline (Hartman) Jackson. His mother was of Pennsylvania Dutch origin, and his father of colonial English descent.
Education
In Clarence's early boyhood the family moved to Harper, Iowa, where he attended a German Catholic parochial school. Earning money as a harvest hand and assistant postmaster, he finished his high school work in the preparatory department of Drake University at Des Moines. After teaching for a year in a country school in Missouri, he entered the University of Missouri in 1894, where he enrolled in a combined scientific and medical course. Majoring in biology, he held a teaching fellowship in his junior year, and spent the summers of 1896 and 1897 in marine stations at Woods Hole, Massachusetts, and Pacific Grove, California. He received the B. S. degree in 1898, summa cum laude, the M. S. degree in 1899 and the M. D. in 1900.
He was attracted by research and in the summers of 1900 and 1901 he did graduate study at the University of Chicago with the neurologist Henry H. Donaldson; he spent a year's leave of absence (1903-1904) studying with Wilhelm His and Karl Werner Spalteholz in Leipzig and Wilhelm von Hartz-Waldeyer in Berlin. Thus he learned the latest research techniques in embryology and anatomy. He later received an honorary LL. D. from the University of Missouri (1923).
Career
Jackson had no interest in establishing a medical practice. Remaining at Missouri as assistant professor of anatomy, in 1902 he was made professor and head of the department, and in 1909 became dean of the medical school. In 1913 Jackson was invited to become dean of the University of Minnesota medical school, which, under the leadership of George E. Vincent, president of the university, was undergoing a major reorganization. Disliking administrative work, Jackson declined the offer but did agree to become head of the department of anatomy.
In this post, which he held until his retirement, he revolutionized the medical school. A strong champion of research, he gathered around him a notable group of specialists: Richard Scammon (physical growth and development), Andrew Rasmussen (neurology), Hal Downey (hematology and histology), and Allen Boyden (embryology and gross anatomy). By 1933 all five were starred in American Men of Science - the largest number from any one anatomical department. His own research, reported in more than a hundred publications, dealt chiefly with the effects of chronic malnutrition on growth and development.
His book The Effects of Inanition and Malnutrition upon Growth and Structure (1925) was for many years the definitive treatise on the subject. Jackson emphasized the importance of a strong graduate training program at the medical school and maintained close personal relationships with his students, stressing the value of the scientific method and the need for critical, independent thinking. After medical students had finished two years of the required curriculum, he encouraged the most promising to remain in anatomy for a year and work for a master's degree. Many then returned to their medical studies, carrying their interest in research into clinical fields. Others stayed on in research. In the period 1913-1941, thirty-four students received the Ph. D. in anatomy. He edited Morris' standard textbook, Human Anatomy (5th through 9th editions).
Toward the end of his career, Jackson was progressively handicapped by Parkinson's disease, and he retired in 1941. Nevertheless, he retained the same poise and the same consideration that had characterized a lifetime of activity. He died of the disease at the age of seventy-one (on January 17, 1947) in the University Hospital in Minneapolis and was buried in that city's Sunset Memorial Cemetery.
(This is a reproduction of a book published before 1923. T...)
Membership
Jackson is known to be the Founder of the Minnesota Embryological Collection, the President of the American Association of Anatomists (1922-1924), and a member of the advisory committee of the Wistar Institute of Anatomy. He was also a chairman of the medical division of the National Research Council (1923-1924), a chairman of the American Committee on Anatomical Nomenclature (1934-1941), an associate editor of the American Journal of Anatomy (1921-1939), and President of the Minnesota State Board of Examiners in Basic Sciences (1930).
Connections
On June 21, 1898, Jackson married Helen Clarahan, with whom he had 4 daughters.