Background. The etiology of vitamin B12 deficiency is diverse and includes lack of intrinsic factor (IF), altered pH in the small intestine, and lack of absorption of B12 complexes in the terminal ileum. Vitamin B12 deficiency from any cause, as well as folic acid deficiency, can result in megaloblastic anemia.he etiology of vitamin B12 deficiency is diverse and includes lack of intrinsic factor (IF), altered pH in the small intestine, and lack of absorption of B12 complexes in the terminal ileum.
The Last Supper (Italian: Il Cenacolo [il tÊeËnaËkolo] or L'Ultima Cena [Ëlultima ËtÊeËna]) is a late 15th-century mural painting by Leonardo da Vinci in the refectory of the Convent of Santa Maria delle Grazie, Milan. It is one of the world's most famous paintings.
Depictions of the Last Supper in Christian art have been undertaken by artistic masters for centuries, Leonardo da Vinci's late 1490s mural painting in Milan, Italy, being the best-known example.n the Gospel of John, after the departure of Judas from the Last Supper, Jesus tells his remaining eleven disciples that he will be with them for only a short time, then gives them a New Commandment, stating: âA new command I give you: Love one another.