The inner ear is found in all vertebrates, with substantial variations in form and function. The inner ear is innervated by the eighth cranial nerve in all vertebrates.
The thyristor or silicon controlled rectifier, SCR is a device that has a number of unusual characteristics. It has three terminals: Anode, cathode and gate, reflecting thermionic valve / vacuum tube technology.
The retrospective chart review (RCR), also known as a medical record review, is a type of research design in which pre-recorded, patient-centered data are used to answer one or more research questions [1].