Scheduled downtime on July 22nd from 4:30am GMT to 5:30am GMT. During this time, users won’t be able to access the whole website.
We apologize for any inconvenience this may cause.
Irregular Bones.—The irregular bones are such as, from their peculiar form, cannot be grouped under the preceding heads. They consist of cancellous tissue enclosed within a thin layer of compact bone. The irregular bones are: the vertebræ, sacrum, coccyx, temporal, sphenoid, ethmoid, zygomatic, maxilla, mandible, palatine, inferior nasal concha, and hyoid.