Mucosa example sentences

The submucosal layer is formed of loose connective tissues containing nerves, blood and lymph vessels.The intestinal mucosal epithelium has goblet cells which secrete mucus.Mucosal epithelium has goblet cells which secrete mucus that help in lubrication.Trypsinogen is activated by an enzyme, enterokinase, secreted by the intestinal mucosa into active trypsin, which in turn activates the other enzymes in the pancreatic juice.Mucosa also forms glands in the stomach (gastric glands) and crypts in between the bases of villi in the intestine (crypts of Lieberkuhn).In duodenum, glands are also present in sub-mucosa.They are first incorporated into small droplets called micelles which move into the intestinal mucosa.Hormonal control of the secretion of digestive juices is carried out by the local hormones produced by the gastric and intestinal mucosa.The mucus and bicarbonates present in the gastric juice play an important role in lubrication and protection of the mucosal epithelium from excoriation by the highly concentrated hydrochloric acid.The mucus alongwith the bicarbonates from the pancreas protects the intestinal mucosa from acid as well as provide an alkaline medium (pH 8) for enzymatic activities.The innermost layer lining the lumen of the alimentary canal is the mucosa.The secretions of the brush border cells of the mucosa alongwith the secretions of the goblet cells constitute the intestinal juice or succus entericus.Absorption is the process by which the end products of digestion pass through the intestinal mucosa into the blood or lymph.These final steps in digestion occur very close to the mucosal epithelial cells of the intestine.Sub-mucosal glands (Brunner's glands) also help in this.