Identify the bone forming the forehead region of the skull.
Frontal bone
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| Term | Definition |
|---|---|
| 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 |