- May 2, 2026The sphenoid sinus occupies the body of the sphenoid bone and is divided by an asymmetric intersphenoid septum. It is…
- May 2, 2026The pterion is the H-shaped sutural junction on the lateral skull where four bones meet: the frontal, parietal, temporal (squamous),…
- May 2, 2026The bregma is the junction point of the coronal suture (between frontal and parietal bones) and the sagittal suture (between…
- May 2, 2026The lambda is the posterior sutural junction where the sagittal suture meets the lambdoid suture, at the junction of the…
- May 2, 2026The glabella is the smooth, slightly convex area of the frontal bone between the superciliary arches (brow ridges) above the…
- May 2, 2026The nasion is the most depressed point of the nasal root at the junction of the nasal bones and the…
- May 2, 2026The posterior cranial fossa is the deepest and most inferior of the three cranial fossae, housing the cerebellum, pons, medulla,…
- 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 external auditory meatus (external auditory canal, EAC) is the bony channel from the auricle to the tympanic membrane, formed…
- May 2, 2026The middle cranial fossa is the central compartment of the cranial base, housing the temporal lobes laterally, the pituitary gland…