Lecture 5 Topography of the Brain Flashcards
What is white matter
Myelinated axons
Surrounded by fat and a cell membrane
What is grey matter
Neuronal cell bodies
Neuronal cell body in CNS
Nucleus
Neuronal cell body in PNS
Ganglion
What are ventricles
Spaces within the brain
Where are the lateral ventricles located
Cerebral hemisphere
Where are the 3rd ventricles located
Diencephalon
Where is the Cerebral aqueduct located
Midbrain
Where is the 4th ventricle located
Between pons and medulla (in front)
Where is CSF present
Inside ventricles
Subarachnoid space
Where is CSF formed
Choroid plexus un each ventricle
Where is CSF absorbed
Arachnoid villi into saggital sinus
Where do the 2 internal carotid arteries enter the skull through
Foramen Lacerum to supply the brain
Where do the 2 vertebral arteries enter the skull through
Foramen magnum to supply the brain
What vessels join the posterior cerebral artery and the internal carotid artery
Posterior communicating artery
What vessel joins the anterior cerebral arteries together
Anterior communicating artery
What branches does the ICA give off
Anterior cerebral artery
Middle cerebral artery
Posterior communicating artery
What 2 vessels supply a large part of the cerebral hemisphere
ACA and MCA
The 2 vertebral arteries join to form what vessel
Basilar artery on the ventral surface of the brainstem
Where does the basilar artery end and what does it give rise to
Midbrain
Posterior cerebral artery
What vessels supply the medial aspect of the cerebral hemisphere
Anterior cerebral artery
What vessels supply the lateral aspect of the cerebral hemisphere
Middle cerebral artery
What vessels supply the inferior aspect of the cerebral hemisphere and the occipital lobe
Posterior cerebral artery
Where do the superficial and deep veins of the brain drain into
Dural venous sinuses (inferior and superior sagittal sinus) which join together to drain into the IJV
