(anatomy) Any small irregular bone occasionally occurring in the cranium in addition to the normal bones.

(anatomy) Any bone, such as the mastoid process or those of the birds, that contains many hollow cells full of air

Alternative spelling of collarbone

plural of vomer bone

plural of dog and bone

plural of turbinate bone

(medicine) A measure of the amount of mineral in bones, used to estimate the risk of osteoporosis or fractures.

plural of alveolar bone

plural of ethmoid bone

plural of sphenoid bone