Identify the bone forming the forehead region of the skull.

Frontal bone

Identify the paired bones located at the temples on either side of the skull.

Temporal bones

Identify the bone forming the back and base of the skull, containing the foramen magnum.

Occipital bone

Identify the single bone situated between the eyes and forming part of the roof of the nasal cavity.

Ethmoid bone

Identify the butterfly-shaped bone forming part of the floor of the cranium and sides of the skull.

Sphenoid bone

Identify the paired bones forming the lower sides of the skull and housing the ear canals.

Temporal bones

Identify the immovable joint (type of suture) found between the two parietal bones.

Sagittal suture

Identify the suture between the parietal bone and the temporal bone.

Squamous suture

Identify the suture between the parietal bone and the frontal bone.

Coronal suture

Identify the bone that forms the inferior portion of the cranial floor and articulates with the atlas.

Occipital bone

Identify the paired bones that contribute to the roof and lateral walls of the skull behind the frontal bone.

Parietal bones

Identify the bone that forms the central portion of the cranial floor, anterior to the temporal bones.

Sphenoid bone

Identify the part of the temporal bone which houses the internal structures of hearing and balance.

Petrous portion of the temporal bone

Identify the process of the temporal bone that meets the zygomatic bone (forming the zygomatic arch).

Zygomatic process of the temporal bone

Identify the structure that forms the “cheek-bone.”

Zygomatic bone

Identify the bone forming the back of the orbit and contributing to the middle cranial fossa.

Sphenoid bone

Identify the bone that forms the major part of the nasal septum (with the vomer).

Perpendicular plate of the ethmoid bone

Identify the paired openings on the occipital bone through which vertebral arteries enter the skull.

Jugular foramina

Identify the ridge on the occipital bone to which the nuchal muscles attach.

External occipital crest or nuchal lines

Identify the fossa on the sphenoid bone that houses the pituitary gland.

Sella turcica

Identify the bony projection on the sphenoid bone for muscle attachment.

Pterygoid processes

Identify the “keystone” bone of the cranial floor that articulates with almost all other cranial bones.

Sphenoid bone

Identify the banner-like opening between the temporal and frontal lobes in the sphenoid region.

Superior orbital fissure

Identify the paired parts of the sphenoid bone that extend laterally forming the “wings.”

Greater wings of the sphenoid bone

Identify the paired foramina on the sphenoid bone for the maxillary branch of the trigeminal nerve.

Foramina rotundum

Identify the bone that forms most of the roof of the nasal cavity and contains the cribriform plate.

Ethmoid bone

Identify the interior cavity in the temporal bone that contains the mandibular fossa.

Mandibular fossa

Identify the process of the temporal bone that projects inferiorly for stylohyoid-ligament attachment.

Styloid process

Identify the landmark on the frontal bone above the eyebrow area.

Glabella

Identify the bone-to-bone joint between the occipital bone and the atlas.

Atlanto-occipital joint

Identify the paired bones forming the upper sides of the cranium.

Parietal bones

Identify the hole in the occipital bone where the spinal cord passes.

Foramen magnum

Identify the rounded projections on each side of the foramen magnum.

Occipital condyles

Identify the large opening in the temporal bone leading to the ear canal.

External acoustic meatus

Identify the small, needle-like projection of the temporal bone for tongue/pharynx muscle attachment.

Styloid process

Identify the thin, curved plate forming the roof of the nasal cavity within the ethmoid bone.

Cribriform plate

Identify the small openings in the cribriform plate for olfactory nerves.

Olfactory foramina

Identify the triangular vertical plate of the ethmoid bone forming part of the nasal septum.

Perpendicular plate

Identify the small air-filled spaces within cranial bones that lighten the skull and aid resonance.

Paranasal sinuses

Identify the frontal bone structure containing air spaces above the orbits.

Frontal sinus

Identify the bone that separates the cranial cavity from the nasal cavity.

Ethmoid bone

Identify the bone forming the floor of the middle cranial fossa and containing the optic canal.

Sphenoid bone

Identify the small round opening in the sphenoid bone for the optic nerve.

Optic canal

Identify the small oval opening in the sphenoid bone for the mandibular branch of the trigeminal nerve.

Foramen ovale

Identify the large, irregular opening between the temporal and occipital bones for cranial nerves IX–XI.

Jugular foramen

Identify the small opening in the temporal bone that transmits the internal carotid artery.

Carotid canal

Identify the small canal in the temporal bone that carries the facial nerve.

Internal acoustic meatus

Identify the depression in the temporal bone where the mandible articulates.

Mandibular fossa

Identify the bony ridge above each orbit that forms the eyebrow area.

Supraorbital ridge

Identify the suture connecting the parietal bones to the occipital bone.

Lambdoid suture

Identify the small depression on the sphenoid bone where the pituitary gland rests.

Sella turcica

Identify the sharp projection on the temporal bone located behind the ear.

Mastoid process

Identify the small hole on the frontal bone above the orbit for a blood vessel and nerve.

Supraorbital foramen

Identify the paired thin bones forming part of the side walls of the nasal cavity.

Inferior nasal conchae

Identify the bony ridge on the occipital bone providing attachment for neck muscles.

External occipital protuberance

Identify the opening at the base of the skull for the spinal cord.

Foramen magnum

Identify the bone forming the posterior cranial floor and containing occipital condyles.

Occipital bone

Identify the structure in the temporal bone housing hearing and equilibrium organs.

Petrous part of the temporal bone

Identify the large, butterfly-shaped bone forming part of the cranial floor and sides.

Sphenoid bone

Identify the small canal in the sphenoid bone transmitting the optic nerve and ophthalmic artery.

Optic canal