- May 2, 2026The jugular bulb is the dilation of the internal jugular vein at the jugular foramen, where the sigmoid sinus transitions…
- May 2, 2026The descending palatine artery arises from the maxillary artery in the pterygopalatine fossa and descends through the greater palatine canal…
- May 2, 2026The anterior ethmoid artery (AEA) arises from the ophthalmic artery within the orbit, passes through the anterior ethmoid canal to…
- May 2, 2026The posterior ethmoid artery (PEA) is a smaller branch of the ophthalmic artery arising posterior to the AEA, passing through…
- May 2, 2026Emissary veins are small valveless veins passing through skull foramina to connect the intracranial dural sinuses with the extracranial scalp…
- May 2, 2026The superficial middle cerebral vein (Sylvian vein) drains the lateral cortex of the brain around the sylvian fissure, running in…
- May 2, 2026The callosomarginal artery is a major branch of the anterior cerebral artery at the A2-A3 junction, running in the cingulate…
- May 2, 2026The basilar artery gives off numerous perforating branches to the pons from its posterior surface — the paramedian perforators (supplying…
- May 2, 2026The angular artery is the most posterior M3 branch of the middle cerebral artery, supplying the angular gyrus (Brodmann area…
- May 2, 2026The frontopolar artery is a branch of the anterior cerebral artery arising at the A2 level near the genu of…