- May 2, 2026The pterygoid process descends from the junction of the body and greater wing of the sphenoid as two laminae: the…
- May 2, 2026The hypoglossal canal is a bony channel through the occipital condyle transmitting the hypoglossal nerve (CN XII) and an emissary…
- May 2, 2026The internal acoustic meatus (internal auditory canal, IAC) is a short channel approximately 1 cm long within the petrous temporal…
- May 2, 2026The foramen ovale is an oval opening in the greater wing of the sphenoid bone at the base of the…
- May 2, 2026The zygomatic arch is the slender bony bridge between the face and the temporal region, formed by the zygomatic process…
- May 2, 2026The mental foramen is an oval opening on the external surface of the mandibular body, typically located below the second…
- May 2, 2026The infraorbital foramen is an opening on the anterior surface of the maxilla, approximately 5-10 mm below the inferior orbital…
- May 2, 2026The supraorbital foramen (or notch) is an opening on the superior orbital rim of the frontal bone approximately at the…
- May 2, 2026The roof of the orbit is formed primarily by the orbital plate of the frontal bone, with a small contribution…
- May 2, 2026The external occipital protuberance (inion) is the most prominent posterior midline projection of the occipital bone, approximately in the plane…