For each of the following statements, indicate whether it applies to a macula or a crista ampullaris: inside a semicircular canal; contains otoliths; responds to linear acceleration and deceleration; has a cupula; responds to rotational acceleration and deceleration; inside the vestibule.
Step 11 of 3
- found inside the Saccule and Utricle of the bony Vestibule. ( i.e. inside the vestibule )
- the Macula is formed of a ridge of columnar epithelium with hair cells having Cilia ( hairs ) which penetrate into a gelatinous material embedded on its top a numerous small particles of Calcium Carbonate called Otolith or Otoconia. ( i.e. contains Otoliths ).
- when the head in the erect position, the Macula of the Utricle is in the Horizontal plane, while that of the Saccule is verticle.
- Responds to Linear acceleration and deceleration.