Apse chapel

An apse chapel, in church architecture, is a chapel radiating tangentially from one of the bays or divisions of the apse. It is reached generally by a semicircular passageway, or ambulatory, exteriorly to the walls or piers of the apse.

Apse chapel

An apse chapel, in church architecture, is a chapel radiating tangentially from one of the bays or divisions of the apse. It is reached generally by a semicircular passageway, or ambulatory, exteriorly to the walls or piers of the apse.