Arteria auditiva interna is a medical term used to describe the internal auditory artery, which supplies blood to the inner ear. The spelling of this term may seem complicated at first, but when broken down using the International Phonetic Alphabet (IPA), it becomes clearer. The first two words, "arteria" and "auditiva," are pronounced /aɾˈte.ɾja/ and /auˈðiti.βa/ respectively. The final word, "interna," is pronounced /inˈteɾ.na/. By understanding the IPA, one can easily navigate the spelling of complex medical terms.
The term "arteria auditiva interna" is a Latin phrase used in anatomy and medicine to refer to the internal auditory artery. The internal auditory artery is a small blood vessel that supplies oxygenated blood to certain structures within the inner ear.
The internal auditory artery typically originates from the basilar artery, which is a major blood vessel located at the base of the brain. The artery runs through a bony canal called the internal auditory meatus, also known as the internal acoustic canal. This canal is found within the petrous portion of the temporal bone.
The main function of the arteria auditiva interna is to provide a nutrient-rich blood supply to the cochlea and vestibulocochlear nerve, also known as the auditory-vestibular nerve. The cochlea is responsible for converting sound waves into electrical signals that can be interpreted by the brain, while the vestibulocochlear nerve is responsible for transmitting these signals to the brain for auditory processing.
Any disruption or damage to the arteria auditiva interna can lead to various conditions and symptoms related to the inner ear, including hearing loss, tinnitus (ringing in the ears), and balance problems. Therefore, understanding the anatomy and function of the arteria auditiva interna is crucial for diagnosing and managing disorders affecting the inner ear.
Internal auditory; origin, basilaris; distribution, internal ear.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.