Eucharist in the Catholic Church Eucharist in the Catholic Church The Eucharist in the Catholic Church is celebrated as "the source and summit" of the Christian life. The Eucharist is consecrated daily (except on Good Friday, when consecration takes place on Maundy Thursday, but is distributed during the Mass of the Presanctified) during the celebration of Mass, the eucharistic liturgy. The term "Eucharist" is also used for the bread and wine when transubstantiated (their substance having been changed), according to Catholic teaching, into the body and blood of Jesus Christ. "At the Last Supper, on the night he was betrayed, our Saviour instituted the Eucharistic
Eucharist mainly of readings from scripture (the Bible) and a homily preached by a priest or deacon and is essentially distinct and separate from the Sacrament of the Eucharist, which comprises the entirety of the Liturgy of the Eucharist, so the Eucharist itself is only about one half of the Mass. (It is also possible and permissible in the Latin Rite for a priest to consecrate and distribute the Eucharist outside the ritual structure of the Mass—such an event is often called a communion service—but it is much more common to celebrate a full Mass.) Among the many other terms used