Scala vestibuli is a term used in anatomy to refer to a part of the cochlea in the inner ear. It is responsible for transmitting sound waves into electrical signals that the brain can understand. Some synonyms for scala vestibuli include the vestibular duct or the ductus vestibularis. These terms are used interchangeably by medical professionals and scientists who study the human ear and its inner workings. It is important to have alternate names for anatomical parts and processes to ensure effective communication about the body's functions and to avoid confusion in medical settings.