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MINERAL GROWTH OF THE HUMAN FETUS

MINERAL GROWTH OF THE HUMAN FETUS The mineral growth of the human fetus may be determined from the chemical composition at various stages of fetal development. Data on the chemical composition from which such growth can be shown earlier than the sixth lunar month are, to our knowledge, practically lacking in the literature. This may be due to the difficulty of obtaining sufficient material for the macrochemical methods used by the earlier investigators. In the present study, we were able, using microchemical methods, to study the chemical composition of the human fetus as early as the third lunar month. In a series of sixteen fetuses, analyses were made for sodium, potassium, calcium, magnesium, phosphorus, chlorine and nitrogen. The analyses of the two youngest fetuses are not complete, since there was not sufficient material for all the microchemical methods. Data which give the per cent of body fat, constant dry weight and per cent of water are http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American journal of diseases of children American Medical Association

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Publisher
American Medical Association
Copyright
Copyright © 1934 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0096-8994
eISSN
1538-3628
DOI
10.1001/archpedi.1934.01960090043002
Publisher site
See Article on Publisher Site

Abstract

The mineral growth of the human fetus may be determined from the chemical composition at various stages of fetal development. Data on the chemical composition from which such growth can be shown earlier than the sixth lunar month are, to our knowledge, practically lacking in the literature. This may be due to the difficulty of obtaining sufficient material for the macrochemical methods used by the earlier investigators. In the present study, we were able, using microchemical methods, to study the chemical composition of the human fetus as early as the third lunar month. In a series of sixteen fetuses, analyses were made for sodium, potassium, calcium, magnesium, phosphorus, chlorine and nitrogen. The analyses of the two youngest fetuses are not complete, since there was not sufficient material for all the microchemical methods. Data which give the per cent of body fat, constant dry weight and per cent of water are

Journal

American journal of diseases of childrenAmerican Medical Association

Published: Feb 1, 1934

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