§1549
Sacraments › … › II. The Sacrament of Holy Orders in the Economy of Salvation
Two participations in the one priesthood of Christ
Through the ordained ministry, especially that of bishops and priests, the presence of Christ as head of the Church is made visible in the midst of the community of believers. In the beautiful expression of St. Ignatius of Antioch, the bishop is typos tou Patros: he is like the living image of God the Father.
Source: Catechism of the Catholic Church (Vatican.va)