What is another word for petrosal bone?
Pronunciation: [pɛtɹˈə͡ʊzə͡l bˈə͡ʊn] (IPA) 
The petrosal bone is a vital bone located in the human skull. It is also known as the petrous bone, and it provides protection to some of the cranial nerves. The petrosal bone is an essential part of the temporal bone, which forms the side of the skull. Synonyms for the petrosal bone include the temporal petrous bone, os petrosum, and roccal bone. The petrosal bone is crucial because it protects the ear's internal structures, such as the cochlea and vestibular system. Additionally, the petrosal bone serves as an anchor for the muscles that control facial movements, including chewing and swallowing.
