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23 Cards in this Set
- Front
- Back
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Peripheral Nervous System
Spinal and Facial Nerves |
Sensory, tongue, ears etc into spine/brain
Goes to skeletal muscles to drive voluntary actions Motor and Sensory |
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Autonomic nervous system
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Parasympathetic and Sympathetic
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Parasympathetic
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Calms body, relaxes, slows heartbeat: causes urination, digestion, defocation
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Sympathetic
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Mobilizes body for energy, increases heart rate, inhibits digestion - fight or flight
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CNS
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Contains brain and spinal cord
- Sensory nerves enter via dorsal horn -Motor nerves exit via ventral horn |
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Lateral Ventricles
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Empty spaces, not actual structures in the brain - 2
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3rd Ventricle
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Beneath and between the lateral ventricles
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4th ventricle
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Bottom, toward brain stem medulla
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Meninges, 4 Layers
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2 X Dura Mater, First layer hugs the subcutaneous fat and attaches to the second layer, the second layer attaches to the arachnoid mater
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Brain stem
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Contains pons and medulla, opposite each other
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Cerebellum
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Big circles, on each side
-Functional for fine motor control |
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Thalamus
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Center, larger than hypothalamus
-Main relay for sensory information and motor commands |
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Hypothalamus
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Below thalamus
-Main source of hormonal regulation and release -Releases neuroendocrine: used for regulation of hunger, thirst, sex |
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Limbic System
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Major system for emotion and memory
-Wraps down thalamus and into temporal lobe -Contains: Cingulate cortex -Fornix -Hippocampus -Amygdala -Mammilary bodies -Linked together like a circuit |
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Hippocampus
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Crucial for memory
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Amygdala
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Crucial for emotion
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Basal Ganglia (in limbic system)
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Important for action and thought
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Neocortex (essentially entire brain grey and white matter)
Contains: -Frontal -Parietal -Temporal -Ocipital |
Contains:
-Frontal -Parietal -Temporal -Ocipital |
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Frontal Lobe
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Planning and executive function
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Parietal Lobe
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Sensory integration and comprehending space
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Temporal Lobe
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Memory and Language
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Occipital Lobe
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Vison
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Corpus Callosum
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Connects both hemispheres of the brain
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