1 Aden, Yemen is at 12 49'N, 45 1'E, 3 m (10 ft). 2  See map. 3  Aden has a subtropical desert / low-latitude arid hot climate (K ppen-Geiger classification: BWh). 4  The annual average temperature is 29.2 degrees Celsius (84.5 degrees Fahrenheit).
The core of a sphingolipid is an amino alcohol called sphingosine. Complex sphingolipids located in the plasma membrane of animal cells (especially nerve cells) have a structural function and are believed to protect the cell surface from harmful environmental factors.
The sphincter of Oddi (SO) is a muscular valve found at the end of the bile and pancreatic ducts where they connect to the duodenum of the small intestine. The SO's main job is to regulate the flow of bile and pancreatic juices into the small intestine. These juices are important for the process of digestion. Bile is stored in the gallbladder for the digestion of fat, The pancreas secretes enzymes for the breakdown of protein, carbohydrates as well as fat.