- May 2, 2026The torcular Herophili (confluence of sinuses) is the posterior cranial confluence where the superior sagittal sinus, the straight sinus, and…
- May 2, 2026The paracentral artery is a cortical branch of the anterior cerebral artery (typically arising from the pericallosal or callosomarginal artery…
- May 2, 2026The ocular surface is supplied by two vascular plexuses: the conjunctival vessels (arising from the anterior ciliary arteries and the…
- May 2, 2026The meningohypophyseal trunk is the first branch of the internal carotid artery in the cavernous sinus, arising from the posterior…
- May 2, 2026The inferior hypophyseal artery arises from the meningohypophyseal trunk (from the ICA cavernous segment) and supplies the neurohypophysis (posterior pituitary)…
- May 2, 2026The orbitofrontal artery is a cortical branch of the anterior cerebral artery arising at the A2 level near the genu…
- May 2, 2026The cortical bridging veins are thin-walled venous channels draining the cortical surface of the cerebral hemispheres into the dural venous…
- 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 occipital artery (from the ECA) gives off multiple branches as it courses toward the posterior scalp: the muscular branches…