Figure 3.
Utricle of Antimora rostrata. A: Dorsal view of a right utricle with the otolith inside the pouch and the ampullae of the anterior (A-Amp) and horizontal semicircular canals (H-Amp) still attached. B: The utricular epithelium isolated from A, note that the striola (Str, more opaque yellowish region) and lacinia (Lac) are not covered by the otolith. C: Ventral view of the otolith taken from A, revealing the bumpy surface that is connected to the otolith membrane that lies between the otolith and the sensory epithelium. D: Side view of the same otolith to show the dome shape. UO, utricular otolith; UM, utricular macula.