Which of the following is a bony feature located on the superior aspect of the skull?

• A. Styloid process
• B. Mental foramen
• C. Mastoid process
• D. Coronal suture

Answer: (D)

Verified step by step guidance

1. Step 1: Begin by identifying the anatomical location of the superior aspect of the skull. The superior aspect refers to the top portion of the skull, which includes structures primarily associated with the cranial bones.
2. Step 2: Review the listed options and their anatomical locations: - Styloid process: A slender, pointed projection located on the temporal bone near the base of the skull, not on the superior aspect. - Mental foramen: An opening located on the anterior aspect of the mandible (lower jaw), far from the superior aspect of the skull. - Mastoid process: A rounded projection located on the temporal bone, behind the ear, also not on the superior aspect.
3. Step 3: Focus on the coronal suture. Sutures are immovable joints between cranial bones. The coronal suture is located on the superior aspect of the skull, forming the junction between the frontal bone and the parietal bones.
4. Step 4: Understand the significance of the coronal suture. It is a key feature of the superior aspect of the skull and is visible as a horizontal line running across the top of the skull.
5. Step 5: Conclude that the coronal suture is the correct answer because it is the only bony feature listed that is located on the superior aspect of the skull.