Medulla oblengata

pons

midbrain

Optic chiasm

pyramids

(cerebral peduncles)

Superior colleculus

Inferior colleculus

Cerebellar peduncle

Vistebular area

medulla

ponsmidbrain

vertebral arteries

Anterior spinal artery Posterior inferior cerebellar artery

Basilar ArteryLabyrinthine artery

Anterior inferior cerebellar artery

Pontine arteries

Superior cerebellar artery Posterior cerebral artery

Anterior cerebral Middle cerebral

Internal Carotid Artery

* Identify ? Basilar Artery•List its branches ? Pontine Labyrinthine Anterior inferior cerebellar Superior cerebellar Posterior cerebral

* Identify ? vertebral artery:•List its branches ? Meningeal branches Posterior spinal Anterior spinal Posterior inferior cerebellar Medullary

Anterior cerebral artery : supply all the medial surface of the cerebral till parieto-occipital sulcus.+ and 1 inch of lateral surface

Middle cerebral artery : supply entire lateral surfaces of cortex except the 1 inch and occipital pole .

posterior cerebral artery : Supply occipital pole, and inferolateral surface of hemisphere .

Coroid plexues of third ventricle

third ventricle

Fourth ventricle

Cerebral aqueduct

Corpus callosum Septum pellucidum

Coroid plexues of third ventricles

Mammillary body

Optic chiasma

Pituitary

Superior colliculus And inferior colliculus

Cingulate gyrus

fornix

Corpus callosum

fornix (splenium ,body, genu, rostrum).

What type of fiber ?Commissural fibers, Connect corresponding regions of the two hemispheres.

splenium

rostrum

genu

body Corpus callosum :

Corpus callosum

Septum pellucidum

Coroid plexues of third ventricles

fornix

third ventricle

Fourth ventricle

Cerebral aqueduct