Presbyterian is the general name for churches governed by elected presbyters or elders and refers especially to Reformed churches in Scotland and England that shaped Presbyterian churches worldwide. The church is distinguished both from those in which authority is vested in bishops and from those in which authority is entirely in the local congregation. The Presbyterian churches have a series of governing bodies from the presbytery, to the synod, to the General Assembly. The Presbyterian Church U.S.A. is the largest Presbyterian Church in the U.S.