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Changes in the Position and Angulation of Incisura During Contractions of the Isolated Cat Stomach by SCHULZE‐DELRIEU; HERMAN is a Medicine article available to read on EtoBox.

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Contractions change the configuration of the lesser curvature of the stomach while they indent the greater curvature. We studied these lesser curvature changes by measuring the position and angle of the gastric incisura on still frames captured from videotapes of isolated cat stomachs suspended in physiologic solution. In response to filling with 100 mL Krebs' solution stomachs generated a tonic contraction of the fundus/body segment and gave rise to a peristaltic contraction that spread from the body and through the antrum to the pylorus. In preparations where we left the duodenal cannula open we found that the incisura moves toward the gastro-oesophageal (GO) junction and the angle of the incisura widens as the contraction passes through the stomach and empties its contents. Furthermore, the angle of the incisura is most acute when the full stomach starts contracting in its fundic segment and again when the contraction involves the gastric sinus (the wedge-shaped segment adjacent to the incisura which forms the transition between the body and the antrum of the stomach). In preparations where the duodenal cannula was kept closed, the angle of the incisura becomes most acute when t

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Author

SCHULZE‐DELRIEU; HERMAN

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1350-1925)

Published

1998

Language

EN

Field

Medicine (Health Sciences)