Osseous Semicircular Canals-Ampullary Crest

The ampullary crest consists of sensory organs, which extend into the ampullary spaces of the osseous semicircular canals. The laminae of the sensory organs are capped by the gelatinous cupula ampullaris 2 . A fiber bundle of the vestibular part of the ampullary nerve 3 is visible in the center of the figure. The bony capsule of the ampulla membranaceae 4 is shown on the right.

1 Sensor y epithelium

2 Cupula ampullaris, ampullary dome

3 Ampullary nerve

4 Bony capsule

5 Sensory hair

6 Lamina propria

Stain: hematoxylin-eosin; magnification: × 25

References

Kuehnel, W.(2003). Color Atlas of Cytology, Histology, and Microscopic Anatomy. 4^th edition . Institute of Anatomy Universitätzu Luebeck Luebeck, Germany . Thieme Stuttgart · New York .