The Brain Stem

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Posterolateral View of <strong>Brain</strong>stem Diencephalon: Thalamus Lateral geniculate body Pineal gland Medial geniculate body Midbrain: Superior colliculus Inferior colliculus Cerebral peduncle Optic tract Pons Fourth ventricle Superior cerebellar peduncle Middle cerebellar peduncle Regions of the brainstem Diencephalon Midbrain Medulla oblongata Inferior cerebellar peduncle Olive Cuneate fasciculus Gracile fasciculus Pons Medulla oblongata (b) Posterolateral view Spinal cord
Pons Central sulcus Cingulate gyrus Parietal lobe leaves Corpus callosum Frontal lobe Thalamus Anterior commissure Hypothalamus Optic chiasm Mammillary body Pituitary gland Temporal lobe Parieto–occipital sulcus Occipital lobe Habenula Epithalamus Pineal gland Posterior commissure Cerebral aqueduct Fourth ventricle Midbrain Cerebellum Pons Medulla oblongata (a) • metencephalon - develops into the pons and cerebellum • pons – anterior bulge in brainstem, rostral to medulla • Cerebellar peduncles – connect cerebellum to brainstem, tracks for information flow in and out of cerebellum (inferior peduncles / inflo from spinal cord) (middle peduncles / inflo from all other areas of brain) (superior peduncles / outflow to thalamus-cerebrum)
Page 1 and 2: Chapter 14 The Brain Stem
Page 3 and 4: Medulla Oblongata Associated Functi
Page 5: Medulla and Pons Diencephalon: Thal
Page 9 and 10: Cross-section of Pons Vermis of cer
Page 11 and 12: Midbrain • cerebral peduncles - e
Page 13 and 14: Functions of Reticular Formation Ne

The Brain Stem

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