"All Priests, who are constituted in the order of Priesthood by the Sacrament of Order, are Bound together by an intimate Sacramental brotherhood, but in a Special way they form one Priestly body in the diocese to which they are attached under their own Bishop. . ;" 52 The Unity of the presbyterium finds Liturgical Expression in the custom of the presbyters' impoSing Hands, after the bishop, during the Ate of ordination.