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THE UNIVERSITY TRAINING CENTER FOR HEALTH CARE PROFESSIONAL OF HCMC DEPARTMENT OF ANATOMY THE NERVOUS SYSTEM Lecturer KHOA TRAN DANG, M.D THE NERVOUS SYSTEM THE BRAIN lateral ventricle 3rd ventricle telencephalon diencephalon mesencephalon 4th ventricle pons cerebellum medulla oblongata spinal cord SPINAL CORD SPINAL CORD SPINAL CORD SPINAL CORD +2 +2 +1 +1 SPINAL CORD SPINAL CORD MEDULLA OBLONGATA VI VII VIII IX X XII XI TELENCEPHALON TELENCEPHALON Primary Motor Cortex Located in the precentral gyrus of the frontal lobe Allows conscious control of voluntary movements Composed of neurons called pyramidal cells axons project to spinal cord and make up the voluntary motor tracts called corticospinal tracts Primary Motor Cortex Motor homunculus – caricature of relative amounts of cortical tissue devoted to each motor function Primary Somatosensory Cortex Located in the postcentral gyrus of the parietal lobe Receives information from somatic sensory receptors in the skin and proprioceptors in skeletal muscles Exhibits spatial discrimination Primary Somatosensory Cortex Somatosensory homunculus – caricature of relative amounts of cortical tissue devoted to each sensory function Cerebral White Matter Consists of myelinated fibers and their tracts Responsible for communication between areas of the cerebrum and between the cerebral cortex and lower CNS centers CAUDATE N + PUTAMEN + INTERNAL CAPSULE + GLOBUS PALLIDUS LENTIFORM N SUBTHALAMIC N SUBSTANTIA NIGRA = CORPUS STRIATUM THANK YOU FOR YOUR ATTENTION ! All details, please contact me: Website: www.drkhoatran.com Email : khoatrandr@yahoo.com / contact@drkhoatran.com Office phone : 8632-824 Cellular phone : 0989-675901 [...]... gyrus of the frontal lobe Allows conscious control of voluntary movements Composed of neurons called pyramidal cells axons project to spinal cord and make up the voluntary motor tracts called corticospinal tracts Primary Motor Cortex Motor homunculus – caricature of relative amounts of cortical tissue devoted to each motor function Primary Somatosensory Cortex Located in the postcentral gyrus of the parietal... sensory receptors in the skin and proprioceptors in skeletal muscles Exhibits spatial discrimination Primary Somatosensory Cortex Somatosensory homunculus – caricature of relative amounts of cortical tissue devoted to each sensory function Cerebral White Matter Consists of myelinated fibers and their tracts Responsible for communication between areas of the cerebrum and between the cerebral cortex and...THE ROOF OF 4TH VENTRICLE - Tela choroidea (double layer of pia mater) - Choroid plexus (vascular tela choroidea) - Foramen of Majendie - Foramina of Key - Retzius (Luscka) THE ROOF OF 4TH VENTRICLE PONS V CEREBELLUM MESENCEPHALON MESENCEPHALON Diencephalon and Brain Stem DIENCEPHALON DIENCEPHALON DIENCEPHALON DIENCEPHALON TELENCEPHALON TELENCEPHALON Primary Motor Cortex Located in the precentral