Agnus Dei (liturgy) Agnus Dei (liturgy) In the Mass of the Roman Rite and also in the Eucharist of the Anglican Communion, the Lutheran Church, and the Western Rite of the Orthodox Church the Agnus Dei is the invocation to the Lamb of God sung or recited during the fraction of the Host. The Syrian custom of a chant addressed to the Lamb of God was introduced into the Roman Rite Mass by Pope Sergius I (687–701) in the context of his rejection of the Council of Trullo (692), which was well received in the Byzantine East and called the Quinisext Council, but
Santa Maria a Vico, province of Teramo built. The interior houses 14th-century frescoes, in poor state of conservation, depicting an "Enthroned Madonna and Child", an "Annunciation", another "Madonna with Child", a half-length "Blessing Christ inside a clypeus (shield)", and a "Saint John the Evangelist". The portal is carved with the Agnus Dei surrounded by the symbols of the Evangelists: as well as floral and geometric motives. Santa Maria a Vico, province of Teramo Santa Maria a Vico is a Romanesque-style, Roman Catholic church located near the town of Sant’Omero, province of Teramo, region of Abruzzo, Italy. Tradition holds the church was built before the year 1000, atop