There is a large amount of literature on the position of the stomach in the adult and in the suckling, but not so much on its position in older children. Previous to the use of the roentgen ray and the opaque meal much work was done by percussion and air or gas distention on the cadaver, but with the use of the roentgen ray it was found that these observations did not give us an accurate knowledge of the position of the stomach and colon in the living upright person, and from the clinical standpoint; this, of course, is the important consideration.
DeBuys and Henrique,1 in a study of infants and young children, did not find an adult type of stomach up to the age of 3 years. They also first noted active peristaltic waves in the stomach of a child at the age of 4 months. Petri,2 in a
WRIGHT CB. GASTRIC SECRETION, GASTRO-INTESTINAL MOTILITY AND POSITION OF THE STOMACH: IN A GROUP OF 250 CHILDREN OF THE LYMANHURST SCHOOL. Arch Intern Med (Chic). 1924;33(4):435–448. doi:10.1001/archinte.1924.00110280033004
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