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Cranium
Question | Answer |
---|---|
Frontal Bone | forms the forehead, the eyesockets. |
Supraorbital Foramen | a hole medial to the supraorbital margin. |
Supraorbital Margin | the part where the frontal bone thickens. |
Parietal Bone | form the roof of the cranial cavity. |
Occipital Bone | forms the base of the cranium. |
Foramen Magnum | a hole in the inferior part of the bone. |
Occipital Condyle | oval process with convex surfaces on either side of the foramen magnum. |
External Occipital Protuberance | the most prominant midline projection just above the foramen magnum. |
Nuchal Lines | curved ridges extended laterally from the ligamentum nuchae. |
Temporal Bone | forms the cranial floor. |
Zygomatic Process | forms a joint with the zygomatic cheekbone. |
Mastoid Process | a rounded projection of the mastoid portion of the temporal bone. |
Zygomatic Arch | formed by the zygomatic process and the temporal process. |
Styloid Process | a point of attachment for ligaments and musles from the tongue and neck. |
Mandibular Fossa | a socket located on the inferior and posterior surface of the zygomatic process of each bone. |
Sphenoid Bone | lies at the middle of the base of the skull. |
Sella Turcica | a saddle shaped structure on the sphenoid bone. |
Ethmoid Bone | a delicate bone that is sponge-like. |