Hyoid Bone, Sinuses

Hyoid Bone

a small, U-shaped bone in the front of the neck.

Frontal Sinus

a pair of hollow, air-filled cavities located in the frontal bone of the skull, just above your eyes and eyebrows.

Ethmoid sinus

small, air-filled cavities located inside the ethmoid bone between your eyes and behind the bridge of your nose.

Sphenoidal sinus

a pair of air-filled cavities located deep inside the skull, behind the nose and between the eyes.

Maxillary sinus

the largest paranasal air sinus, located in the body of the upper jawbone (maxilla) beneath the eyes and inside the cheeks

Atlas C1

the first cervical vertebra at the very top of the spine.

Axis C2

the second cervical vertebra of the spine

Spinous process

the bony projection pointing backward and downward from the back of each vertebra along the spine

Transverse process

a small bony projection on the left and right side of each vertebra in the spine.

Vertebral arch

the posterior bony structure of a vertebra that encloses and protects the spinal cord.

Lamina

a thin plate, scale, or layer of tissue

Pedicle

a narrow stalk, stem, or short bridge of bone that connects an organ, tissue, or body part to the rest of the structure.

Superior articular process

a bony projection on a vertebra that points upward.

vertebral foramen

the large central opening in a vertebra, bounded in the front by the vertebral body and in the back by the vertebral arch.