Human physiology . Fio. 64.—Tracings of pyloric rhythm and its variations under the influence of progressive incre-ments of pressure. (Ducceschi.) At 1, the exploring balloon exerted very weak pressure onthe walls of the antrum; at 2, the pressure was increased by addition of 50 water ; at 3,4, 5, 6, 7, respectively, 50 water were added, by which the balloon became more and moredistended. On exciting the stomach by a sound with a rough surface,peristaltic movements are set up in the cardiac portion and fundus ;in the region of the pyloric antrum, on the contrary, the rhythm in DIGEST
Human physiology . Fio. 64.—Tracings of pyloric rhythm and its variations under the influence of progressive incre-ments of pressure. (Ducceschi.) At 1, the exploring balloon exerted very weak pressure onthe walls of the antrum; at 2, the pressure was increased by addition of 50 water ; at 3,4, 5, 6, 7, respectively, 50 water were added, by which the balloon became more and moredistended. On exciting the stomach by a sound with a rough surface,peristaltic movements are set up in the cardiac portion and fundus ;in the region of the pyloric antrum, on the contrary, the rhythm in DIGESTION IN THE MOUTH AND STOMACH 191 becomes disorganised, antiperistaltic waves occur, or there istetanic contraction of the walls (Figs. 65 and 66).
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectphysiology, bookyear1
