- May 2, 2026The retrocerebellar cistern (posterior cisterna magna or cisterna cerebellomedullaris posterior) is the large subarachnoid space between the posterior surface of…
- May 2, 2026The Sylvian cistern (cistern of the lateral sulcus) is the subarachnoid space within the Sylvian fissure (lateral sulcus), containing the…
- May 2, 2026The third ventricle is the midline CSF-filled space between the two thalami, extending from the interventricular foramina of Monro (anterior,…
- May 2, 2026The lateral ventricles are the largest CSF compartments in the brain, consisting of four parts in each hemisphere: the frontal…
- May 2, 2026The parotid space is the compartment within the parotid fascia containing the parotid gland, the extratemporal portion of the facial…
- May 2, 2026The olfactory groove is the bilateral paired groove in the anterior cranial fossa floor, formed by the cribriform plate of…
- May 2, 2026The gomphosis is the specialized fibrous joint between each tooth root and its alveolar socket in the maxilla or mandible,…
- May 2, 2026The sub-Tenon's space is the potential space between Tenon's capsule (the fibrous fascia enclosing the globe) and the underlying sclera.…
- May 2, 2026The posterior cranial fossa is the lowest and largest of the three cranial fossae, bounded anteriorly by the dorsum sellae…
- May 2, 2026The nasal cavity is the air-filled space within the nose, divided by the nasal septum and communicating with the nasopharynx…