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37 Cards in this Set
- Front
- Back
System that links physiological response and emotional response
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Limbic system
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Located very deep in the middle secion of the brain
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Location of the limbic system
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Includes: Rhinencephalon, Amydale, hyothalamus and anterior nucleus of the thalamus
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Limbic system
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Portion of limbic system that deals with anger, fear & danger
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Amygdala
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Portion of limbic system that deals with expressing emotions via gestures & resolves mental conflict
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Cingulate gyrus
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Portion of limbic system that puts and emotional response to a smell (associates memories w/smells)
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Rhinencephalon
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Composed of three broad columns across the length of the brainstem
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Reticular Activating system (RAS)
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The three columns of the Reticular Activating System (RAS)
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Raphe nuclei
Medial (large cell) group Lateral (small cell) group |
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Filters potentially harmful substances and prevents them from reaching the brain
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Blood brain Barrier
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Permits CSF to be absorbed into venous blood
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Arachnoid villi
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Nourishes the brain and carries chemical signals. Allows frain to "float".
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Cerebral Spinal Fluid (CSF)
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Help to clease/filter CSF by removing waste
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Choroid Plexuses
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Selective barrier that allows nutrients to pass freely.
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Blood brain barrier
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Protective mechanism that helps to maintain a stable environment for the brain by preventing ions from sending continuous impulses
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Blood brain barrier
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Clusters of capillaries that form tissue fluid filters, which hang from the roof of each ventricle
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Choroid Plexuses
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Contains ion pumps to allow them to alter ion concentrations of the CSF
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Choroid Plexuses
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Consists of cell bodies, unmyelinated processes and neuroglia
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Gray Matter
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Fibrous extension of the pia mater; anchors spinal cord to the coccys
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Filum Terminale
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Delicate shelves of pia matter that come off of the Filum terminale to attache the spinal cord to Vertebrae
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Denticulate Ligaments
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Space between bertebrae and dural sheath, filled with fat and a network of veins
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Epidural space (of spinal cord)
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Termination or end point of the spinal cord
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Conus medullaris
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PNS receptors that respond to touch, pressure, vibration stretch & itch
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Mechanoreceptors
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PNS receptors that respond to temperature changes
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Thermoreceptors
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PNS receptors that respond to light energy
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Photoreceptors
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PNS receptors that respond to chemicals (smell, taste, changes in blood chemistry
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Chemoreceptors
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Sensory, cranial spinal nerve located in the nasal cavity. AKA Olfactory Nerve
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Cranial Nerve I
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Sensory, cranial nerve involved in visual impulses, located in the retina, AKA Optic Nerve
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Cranial Nerve II
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Motor cranial nerve responsible for constriction of ocular muscles, located in the Ventral Midbrain. AKA Oculomotor
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Cranial Nerve III
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Motor nerve that participates in muscular eye movement, located in the Dorsal midbrain. AKA Trochlear
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Cranial Nerve IV
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Mixed nerve involves sensory nerves of the face, located in the pons. AKA Trigeminal
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Cranial Nerve V
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Motor nerve responsible for innervating the lateral rectus muscle of the eye. Located in the pons. AKA Abducens
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Cranial Nerve VI
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Mixed nerve, major motor nerve with five major branches of the face. Located in the pons. AKA Facial
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Cranial Nerve VII
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Sensory nerve arise from the hearing and equilibrium apparatus of the inner ear. AKA Vestibulocochlear
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Cranial Nerve VIII
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Mixed nerve, innervates part of the tongue and pharynx, arising from the medulla. AKA Glossopharyngeal
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Cranial Nerve IX
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Motor nerve that innervates both extrinsi and intrinsic muscles of the tongue contributing to swallowing and speech. Arising from the medulla. AKA HypoGlossal
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Cranial Nerve XII
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Arising from Medulla, only cranial nerve that extends beyon the head and neck. Mixed nerve effectin heart, lungs & visceral organs, function in the taste sense. AKA Vagus
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Cranial Nerve X
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Motor nerve that travels w/vagus to innervate muscles of the neck, larynx and pharynx. AKA Accessory
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Crainial Nerve XI
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