A muscular layer increased in size at the pyloric region on 22 DAH to become the pyloric sphincter. The pyloric caeca were joined to the anterior intestine, right behind the pyloric sphincter.y.
A muscular layerincreased in size at the pyloric region on 22 DAH to become the pyloric sphincter. Thepyloric caeca were joined to the anterior intestine, right behind the pyloric sphincter.y.