MeSH definition : Three long canals (anterior, posterior, and lateral) of the bony labyrinth. They are
set at right angles to each other and are situated posterosuperior to the vestibule
of the bony labyrinth (VESTIBULAR LABYRINTH). The semicircular canals have five openings
into the vestibule with one shared by the anterior and the posterior canals. Within
the canals are the SEMICIRCULAR DUCTS.;
Three long canals (anterior, posterior, and lateral) of the bony labyrinth. They are
set at right angles to each other and are situated posterosuperior to the vestibule
of the bony labyrinth (VESTIBULAR LABYRINTH). The semicircular canals have five openings
into the vestibule with one shared by the anterior and the posterior canals. Within
the canals are the SEMICIRCULAR DUCTS.