1 Talk Orbit (anatomy) Edit Fossil Record In anatomy, the orbital bone is the cavity or socket of the skull in which the eye and its appendages are situated. It can also mean the skin which surrounds the eye of a bird. This article is a stub. You can help Fossil Wiki by expanding it. Read more Dinosaurs believed to have had gizzards based on the discovery of gizzard stones recovered near... Gizzard The humerus is a long bone in the arm or forelimb that runs from the shoulder to the elbow.... Humerus In biology, a skeleton is a rigid framework that provides protection and structure in many types... Skeleton Related Categories Categories: Article stubs | Anatomy | Bird anatomy Add category