<Tr> <Th> FMA </Th> <Td> 74960 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> The macula of the utricle, or utricular macula is the region of the utricle that receives the utricular filaments of the vestibulocochlear nerve . The portion of the utricle that forms the macula forms a sort of pouch or cul - de-sac, with a thickened floor and anterior wall . The macula of utricle allows a person to perceive changes in longitudinal acceleration (in horizontal directions only). </P> <P> The macula consists of three layers . The bottom layer is made of sensory hair cells which are embedded in bottom of a gelatinous layer . Each hair cell has between 40 and 70 steriocilia and a kinocilium, which lies in the middle of the steriocilia and is the most important receptor . </P>

The macula is the sensory organ that responds to