membranous ampulla of semicircular ducts

Introduction

A nearly spherical enlargement of one end of each of the three bony semicircular ducts, anterior, posterior & lateral, where they connect with the utricle.

• contains a neuroepithelial crista ampullaris

More general terms

• semicircular duct
• ear

Additional terms

• osseous ampulla (bony ampulla of semicircular canals)

Component of

• bony/osseous labyrinth