Brain & Cranial Nerves
By
Michael J. Harman
Cerebral hemispheres
Cerebral cortex – gray matter Outer covering of the cerebrum
Convolution (gyri)
Precentral gyrus (motor)
Postcentral gyrus (sensory)
Longitudinal fissure
Transverse fissure
•
Lateral ventricles
Diencephalon
Includes: - Thalamus - Hypothalamus - Infundibulum - Pituitary Gland - Optic Chiasma - Mammillary Bodies
Infundibulum
Connects pituitary gland to brain
Arbor vitae: tree-like pattern
Brain stem
Includes: - Midbrain - Pons - Medulla Oblongata
Midbrain
Includes: - Cerebral peduncles - Corpora Quadrigemina
Cerebral peduncles
Corpora quadrigemina*
Medulla oblongata
Cranial Nerves
• I – Olfactory • II – Optic • III – Oculomotor • IV – Trochlear • V – Trigeminal • VI – Abducens
• VII – Facial • VIII – Auditory • IX – Glossopharyngeal • X – Vagus • XI – Accessory • XII - Hypoglossal