Sonogram of the gastrointestinal tract in an adult Coati. Anatomical relationship of the stomach with the liver (A) and spleen (B). Measurement of the intestinal wall in the longitudinal section shown between cursors (C). Measurement of the gastric wall in longitudinal section indicated between cursors (D). In detail, the layers of the intestinal wall, 1- serosal and subserosal layer (hyperechogenic), 2 – muscularis (hypoechogenic), 3 - submucosa (hyperechogenic), 4 - mucosa (hypoechogenic), 5 - lumen (hyperechogenic). FG, liver, ES, stomach, BA, spleen, RE, left kidney.