1. In bony fish, dermal bone is found in the fin rays and scales. 2. It is a dermal bone derived from elements originally attached to the skull. 3. Special examples of dermal bones include the clavicle, patella, and " os cordis ". 4. Lizards have wide spread forms of osteoderms, especially on the skull roof which fuses with the present dermal bone . 5. In some discoveries ribs were found associated with gastralia, dermal bones located in the ventral region of the body. 6. Bony fishes has additional dermal bone , forming a more or less coherent skull roof in lungfish and holost fish. 7. Bony fishes have additional dermal bone , forming a more or less coherent skull roof in lungfish and holost fish. 8. Some species also have dermal bones in the plastron, but these are not attached to the bones of the shell. 9. Connecting to the rod, inside each fin, were rays made of dermal bone , the material that forms the scales of fish. 10. A cleithrum is a type of dermal bone that overlies the scapula, and is usually found in more primitive bony fish and tetrapods.
Mobile