Nervous System.pdf

NERVOUS SYSTEM PERIPHERAL NERVOUS SYSTEM → → → SENSORY DIVISION...

NERVOUS SYSTEM PERIPHERAL NERVOUS SYSTEM → → → SENSORY DIVISION → – – MOTOR DIVISION → – – – o – FUNCTIONS OF THE NERVOUS SYSTEM o – – – – – – – DIVISIONS OF THE NERVOUS SYSTEM → CENTRAL NERVOUS SYSTEM – – |  CELLS OF THE NERVOUS SYSTEM o – → o – NEURONS – → → – – – TYPES OF NEURONS – – – GLIAL CELLS → → – → → – – – o – |  – – – TYPES OF GLIAL CELLS |  NEURAL SIGNALING → o – – WHITE MATTER → – – o – – – o – MYELIN SHEATH ELECTRICAL SIGNALS AND NEURAL PATHWAYS → – RESTING MEMBRANE POTENTIAL → → → → – – – – – – – – ORGANIZATION OF NERVOUS TISSUE → GRAY MATTER → ACTION POTENTIALS → → o – o – → | → SYNAPSE → → → – – – – – – – – – – – – – – – – |  TWO-NEURON ARCS → THREE-NEURON ARCS REFLEXES → → SOMATIC REFLEXES → → → AUTONOMIC REFLEXES → → NEURONAL PATHWAYS REFLEX ARC – → – – – – – – – – – |  CENTRAL AND PERIPHERAL NERVOUS SYSTEMS – SPINAL CORD – → – – – – – o – |  WITHDRAWAL REFLEX → SPINAL NERVES → – – – o – o – o – |  BRAIN → → → → → → o o RETICULAR FORMATION → → → – CEREBELLUM BRAINSTEM → → → → – → – → → → → DIENCEPHALON → MEDULLA OBLONGATA → → → – – – THALAMUS → – → PONS → → → → – MIDBRAIN → |  EPITHALAMUS → → – HYPOTHALAMUS → → → FRONTAL LOBE → → IMPORTANT HOMEOSTATIC MECHANISMS → – – – PARIETAL LOBE – – OCCIPITAL LOBE – → – – – CEREBRUM TEMPORAL LOBE → – – – – – – – – – – – – – – – |  SENSORY FUNCTIONS → → → ASCENDING TRACTS → → → SENSORY AREAS OF THE CEREBRAL CORTEX – – SOMATIC MOTOR FUNCTION → – – – |  – – MOTOR AREAS OF THE CEREBRAL CORTEX → – – DESCENDING TRACTS → – BASAL NUCLEI → – – – – |  CEREBELLUM – → o – → o – → o – o – OTHER BRAIN FUNCTIONS COMMUNICATION BETWEEN THE RIGHT AND LEFT HEMISPHERES – – SPEECH – – MEMORY – BRAIN WAVES AND CONSCIOUSNESS – – – – – – – LIMBIC SYSTEM AND EMOTIONS → |  – DURA MATER → – – – ARACHNOID MATER → – – – PIA MATER → MENINGES, VENTRICLES, AND CEREBROSPINAL – FLUID VENTRICLES MENINGES → → surround and protect the brain and spinal cord. – – – – CEREBROSPINAL FLUID → → – – – |  INFERIOR SURFACE OF THE BRAIN SHOWING THE ORIGIN OF THE CRANIAL NERVES AUTONOMIC NERVOUS SYSTEM → CRANIAL NERVES → → – – AUTONOMIC GANGLIA → → → → → → → → → → |  AUTONOMIC NEUROTRANSMITTERS – – FUNCTIONS OF THE AUTONOMIC NERVOUS SYSTEM – – ENTERIC NERVOUS SYSTEM → – – – EFFECTS OF AGING ON THE NERVOUS SYSTEM → → |