bony semicircular canals


semicircular canals (of bony labyrinth)

[TA] the organ of balance; the three bony tubes of the labyrinth of the inner ear within which the membranous semicircular ducts are located; they lie in planes at right angles to each other and are known as anterior semicircular canal [TA] (canalis semicircularis anterioris [TA]), posterior semicircular canal [TA] (canalis semicircularis posterioris [TA]), and lateral semicircular canal [TA] (canalis semicircularis lateralis [TA]). Synonym(s): canales semicircularis ossei [TA], bony semicircular canals

bon·y sem·i·cir·cu·lar ca·nals

(bō'nē sem'ē-sĭr'kyū-lăr kă-nalz') The three bony tubes in the labyrinth of the ear within which the membranous semicircular ducts are located; they lie in planes at right angles to each other and are known as anterior semicircular canal, posterior semicircular canal, and lateral semicircular canal.