. Radiography and radio-therapeutics . of the normal stomach have been described ; but radiographic 22 338 KADIOGRAPHY interpretation would be facilitated if the division into groups according tomuscular tone were adhered to in the future, these groups being of thehypertonic, orthotonic, hypotonic, and atonic forms. These are illustrateddiagrammatically in Fig. 286. The emptying time, or normal period taken to empty these differenttypes of stomach of the opaque meal, is an additional aid in differentiat-ing each type. When bismuth salts are employed the hypertonic requiresfrom two to three hou
. Radiography and radio-therapeutics . of the normal stomach have been described ; but radiographic 22 338 KADIOGRAPHY interpretation would be facilitated if the division into groups according tomuscular tone were adhered to in the future, these groups being of thehypertonic, orthotonic, hypotonic, and atonic forms. These are illustrateddiagrammatically in Fig. 286. The emptying time, or normal period taken to empty these differenttypes of stomach of the opaque meal, is an additional aid in differentiat-ing each type. When bismuth salts are employed the hypertonic requiresfrom two to three hours to empty itself, the orthotonic three to fivehours, the hypotonic four to six hours, and the atonic six to eight hours. The form of the normal stomach and its position depend largely uponthe sjiape of the upper abdomen and the general anatomical characteristicsof the individual. When the intercostal angle is wide and the upper abdomenis broad, the stomach assumes an oblique position. With a narrow upper Angular Construction Fundus. Antrum
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