Secretions from the liver, gallbladder, and pancreas enter the upper section to assist in digestion.
It contains the Lieberkuhn glands, which provide a conduit for the secretions of BrunnerÕs glands and inhabit the transverse folds of the plicae circularis. Its middle section is deep blood red and exhibits strong peristalsis, while a fatty mesentery  with a limited blood supply supports its ilium. Secretions from the liver, gallbladder, and pancreas enter the upper section to assist in digestion. FTP, what is this organ, containing the jejunum and duodenum, which connects the stomach to the large i  ntestine?
It contains the Lieberkuhn glands, which provide a conduit for the secretions of BrunnerÕs glands and inhabit the transverse folds of the plicae circularis.
small intestine