 | This articleneeds additional citations forverification. Please helpimprove this article byadding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Periotic bone" – news ·newspapers ·books ·scholar ·JSTOR(February 2024) (Learn how and when to remove this message) |
Theperiotic bone is the single bone that surrounds theinner ear ofbirds[1] andmammals. It is formed from the fusion of theprootic,epiotic, andopisthotic bones, and inCetacea forms a complex with thetympanic bone.[2]
 | Thisvertebrate anatomy–related article is astub. You can help Wikipedia byexpanding it. |