Assertion: inner ear's saccule | /r/MadeOf | cell
Facets:
Source sentences:
text: The saccule and utricle are located in the vestibule and contain cells that sense movement of the head in a straight line, that is, back and forth, sensing acceleration, or up and down, sensing gravity.
text: The saccule and utricle contain cells that sense movement of the head in a straight line (sensing acceleration) or up and down (sensing gravity).