H&N - Brain Flashcards
Sinuses of the brain
Meninges of the brain
Dura
Arachnoid
Pia
Falx cerebri
Inner meningeal layer of dura mater
Diaphragm sellae
Covers hypophysial fossa
Has an opening to allow infundibulum of pituitary to connect to base of brain
It’s reflection of dura mater
Arterial supply to dura mater
Anterior meningeal artery
Middle meningeal artery
Posterior meningeal artery
Anterior meningeal artery branch of?
Ethmoid arteries
Middle meningeal artery branch of
maxillary artery
Posterior meningeal artery branch of
Ascending pharyngeal
Occipital
Vertebral
Where is CSF produced
Choroid plexus in lateral, 3rd and 4th ventricles
Where is CSF reabsorbed
Through arachnoid villi which project as clumps (arachnoid granulations) in superior sagittal sinus
Branches of internal carotid artery
Only press carotid arteries momentarily
Only = Opthalmic Press = Posterior communicating Carotid = Choroidal Arteries = Anterior cerebral Momentarily = Middle cerebral
Circle of Willis anatomy
Branches of vertebral artery
Anterior spinal
Posterior spinal
Posterior inferior cerebellar
Branches of basilar artery
Anterior inferior cerebellar artery
pontine arteries
Superior cerebellar artery
Posterior cerebellar artery
Dural venous sinuses