The Ambrosian Rite of the Latin Church is one of several rites for the Catholic Mass in the Extraordinary Form. It originated in Milan, Italy. Many of the reforms of the Ordinary Form of the Latin Rite were borrowed from this rite. Please note the differences in this rite and the EF Form of the Mass below the brief video.

This Mass was celebrated recently in the formerly Pagan temple, the Pantheon. Note the manner of incensing which seems closer to the Eastern Rites manner of doing it.

The main differences in the Mass are:[4]

* The principal celebrant blesses all the readers, not only the deacon.
* The Gospel is followed by a short antiphon.
* The General Intercessions or "Prayers of the Faithful" immediately follow the homily
* The Rite of Peace comes at the beginning of the Liturgy of the Eucharist, before the Offertory (Presentation of the Gifts)
* The Creed follows the Offertory, before the Prayer over the Gifts
* There are some differences between the First Eucharistic Prayer of the Ambrosian Missal and the Roman Canon, the first in the Roman Missal; but its Eucharistic Prayers II, III, and IV are the same as in the Roman Rite. In addition, the Ambrosian Rite has two proper Eucharistic Prayers, used mainly on Easter and Holy Thursday.
* The priest breaks the Host and places a piece in the main chalice before the Lord's Prayer, while an antiphon is sung or recited.
* The Agnus Dei is not said.
* Before the final blessing, the people say three times Kyrie, eleison (Lord have mercy)
* The Ambrosian Rite has its own cycle of readings at Mass
* Many of the prayers said by the priest during Mass are peculiar to the Ambrosian Rite, which has a particularly rich variety of prefaces.