part of develops from start stage end stage macula saccule posterior macula macula saccule saccular macula ZFA:0007000 Portion of tissue that is a patch of thickened, pseudostratified epithelium in the inner ear, consisting of regular arrays of sensory hair cells interspersed with supporting cells. The macula saccule senses linear acceleration and gravity. In juveniles the macula saccule is oriented vertically in a plane running along the anterioposterior body axis. It covers the medial wall of the saccule along most of its length. zebrafish_anatomy TAO:0007000 unknown adult