HSC 350 Chapter Notes - Chapter 7: Stria Vascularis Of Cochlear Duct, Vestibular Duct, Cochlear Duct
Document Summary
Audition: the sense of balance, regulated by the vestibular system. The vestibular system informs our nervous system where our head and body are and how they are moving. Infrasound: sound intensity determines the loudness we perceive, loud sound having higher intensity. Pinna: helps collect sound from wide area. The shape of the pinna makes us more sensitive to sounds, coming from ahead than from behind. The enterance to the internal ear (auditory canal) and it extend inside the skull before it ends at the tympanic membrane (eardrum). Connected to the medial surface of the tympanic membrane is called the ossicles. Sound wave moves the tympanic membrane tympanic membrane moves the ossicles ossicles move the membrane at the oval window motion at the oval window moves fluid in the cochlea . Movement of fluid in the cochlea cause a response in sensory neurons.
