- A cavity in the cellular tissue of plants, containing air
only. - A receptacle of air in various parts of the system; as, a
cell or minute cavity in the walls of the air tubes of the lungs; the
air sac of birds; a dilatation of the air vessels in insects.
Hair cells Tiny cells converting the basilar membrane that, which hair cells are bent by vibrations entering the cochlea, transmit neural messages to brain.
Definition
