Term
Part of CNS contained in cranial cavity that is the control center for many of body's functions. |
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Term
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Brainstem
Cerebellum
Diencelphalon
Cerebrum |
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Definition
Thalamus
Subthalamus
Epithalamus
Hypothalamus |
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Connects spinal cord to brain and integrates reflexes necessary for survival. |
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Involved in control of locomotion, balance, posture. |
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Involved in concious thought and control. |
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Three parts of the brainstem. |
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Definition
Midbrain
Pons
Medulla oblongata |
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Term
Nerve tracts of the medulla oblongata that control voluntary muscle movement. |
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Nuclei of the medulla oblongata that function in equilibrium, coordination and modulation of sound from the ear. |
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Nuclei of the medulla oblongata that regulate heart, blood vessels, respiration, swallowing, vomiting, coughing, sneezing and hiccuping. |
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Part of brain stem that regulates respiration, switching between inhalation and exhalation. |
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Inferior portion of the brain stem that transitions from the spinal cord. |
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Portion of brain stem that is the reflex center of vision and hearing. |
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Part of brain stem that acts as relay center for information from cerebrum and cerebellum. |
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Where nuclei of cranial nerves V-IX are located. |
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Where nuclei for cranial nerves III-V are located |
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Part of midbrain that contains ascending tracts and red nuclei. |
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Active in unconcious regulation of motor activities |
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Part of midbrain that consists of four colliculi |
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Functions of the four colliculi of the tectum... |
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Definition
Two inferior: primary CNS pathways for hearing
Two superior: active in visual reflexes |
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Major descending motor pathway from the cerebrum to the spinal cord. |
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Part of midbrain that connects to the basal nuclei of the cerebrum and is involved with maintaining muscle tone and coordinating movement. |
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Nuclei scattered throughout the brainstem extending to the thalamus and cerebrum.
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Attached to brainstem posteriorly to pons and has nerve tracts that communicate with each part of the brainstem. |
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Part of reticular formation that regulates conciousness and sleep-wake cycles |
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Definition
Reticular Activating System |
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Term
Consists of gray matter cortex and nuclei with white matter (tracts) in between. |
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Definition
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Fiber tracts in the cerebellum that communicate with other parts of the brain. |
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Largest cells in CNS, receive 200,000 synapses into a single cell, involved in unconcious regulation of motor movement. |
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Controls balance, gross motor coordination, fine motor coordination and corrects discrepancies between intended movement and actual movement. |
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Functionally the largest structure of the diencephalon and main feature is intermediate mass. |
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Processes sensory information from the spinal cord before projecting it to the cerebrum. |
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Definition
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Three parts of Thalamus that process sensory information (primary sensory medulla). |
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Definition
Medial geniculate nucleus
Lateral geniculate nucleus
Ventral posterior nucleus |
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Term
Purpose of the intermediate mass in the Thalamus |
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Definition
communication between left and right brain |
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Term
Initial perception of pleasure and pain. |
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Most sensory input synapses, also has some motor functions. |
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Integration of strong emotions such as fear and rage and their associated body movements. |
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Plays a role along with the LIMBIC system of the crebrum in mood modification and the regulation of emotions. |
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Plays a role in the integration of sensory input and mood. |
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Part of diencephalon that is involved in motor function. |
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Part of diencephalon that influences emotions through smell and may play a role in the onset of puberty. |
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Part of epithalamus that is involved with puberty onset, photoperiodicity and melatonin. |
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Part of epithalamus that involves cerebrospinal fluid. |
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Thermostat of the body, water balance, metabolism, sex, pain and pleasure, fear and rage, emotions and mood. |
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Regulation of pituitary secretions. |
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Contains the mammillary bodies that are centers for olfaction and emotional response to smell. |
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Connect different areas of the brain within the same hemisphere. |
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Pass information between right and left hemispheres. |
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Nerve fibers which originate in brain and connect to spinal cord or tissues outside of the brain. |
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Part of brain that is primarily gray matter. |
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Definition
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Largest portion of the brain that is composed of hemispheres and are characterized by fissures and sulci. |
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Outside surface of cerebrum. |
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Gray matter within medulla of cerebrum |
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Definition
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Four parts of the cerebrum |
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Definition
Frontal lobe
Parietal lobe
Occipital lobe
Temporal lobe |
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Separates the two hemispheres of the cerebrum. |
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Separates temporal lobe from frontal and parietal lobes. |
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Separates frontal and parietal lobes. |
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Senses that have widespread receptors throughout the body. |
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Senses that have receptors located within a single organ or structure. |
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Examples of Special Senses |
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Definition
Vision
Hearing
Smell
Balance
Taste |
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Term
Size of sensory area will be relative to... |
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Definition
The number or sensory receptors in that area of the body. |
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Term
Area of the brain stem that contains the corpora quadrigemina. |
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white matter of the cerebellum that forms a branching network |
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