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.
The Eucharist has been a key theme in the depictions of the Last Supper in Christian art, as in this 16th-century Juan de Juanes painting. The Eucharist /ËjuËkÉrÉªst/ (also called Holy Communion, the Lord's Supper, and other names) is a rite considered by most Christian churches to be a sacrament.According to the New Testament, it was instituted by Jesus Christ during his Last Supper.he expression The Lord's Supper, derived from St. Paul 's usage in 1 Cor. 11:17-34, may have originally referred to the Agape feast (or love feast), the shared communal meal with which the Eucharist was originally associated. The Agape feast is mentioned in Jude 12.