Nervous System - External & Internal Brain

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64 Terms

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Cerebrum

Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory.

<p>Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory.</p>
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Cerebellum

Balance and coordination

<p>Balance and coordination</p>
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frontal lobe of cerebrum

the top, front regions of each of the cerebral hemispheres. They are used for reasoning, emotions, judgment, and voluntary movement.

<p>the top, front regions of each of the cerebral hemispheres. They are used for reasoning, emotions, judgment, and voluntary movement.</p>
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parietal lobe of cerebrum

the middle lobe of each cerebral hemisphere between the frontal and occipital lobes; it contains important sensory centers.

<p>the middle lobe of each cerebral hemisphere between the frontal and occipital lobes; it contains important sensory centers.</p>
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temporal lobe of cerebrum

contains centers of hearing and memory

<p>contains centers of hearing and memory</p>
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occipital lobe of cerebrum

visual processing

<p>visual processing</p>
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lateral sulcus

Separates temporal lobe from parietal and frontal lobes

<p>Separates temporal lobe from parietal and frontal lobes</p>
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Corpus Collosum

the large band of neural fibers connecting the two brain hemispheres and carrying messages between them

<p>the large band of neural fibers connecting the two brain hemispheres and carrying messages between them</p>
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fornix in brain

arched fiber tract connecting hippocampus to mammillary bodies

<p>arched fiber tract connecting hippocampus to mammillary bodies</p>
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Anterior Commissure of the Cerebrum

small dot on the end of the fornix

<p>small dot on the end of the fornix</p>
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Posterior Commissure of the Cerebrum

above corpora quadrigemina

<p>above corpora quadrigemina</p>
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septum lucidum

separates the two lateral ventricles

<p>separates the two lateral ventricles</p>
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interventricular foramen

present below the lateral ventricles which connects lateral ventricles to third ventricle

<p>present below the lateral ventricles which connects lateral ventricles to third ventricle</p>
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thalamus

the brain's sensory control center, located on top of the brainstem

<p>the brain's sensory control center, located on top of the brainstem</p>
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Hypothalamus

brain region controlling the pituitary gland

<p>brain region controlling the pituitary gland</p>
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pituitary gland

endocrine gland at the base of the brain

<p>endocrine gland at the base of the brain</p>
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mammillary body of hypothalamus

processes sensations related to smell

<p>processes sensations related to smell</p>
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arbor vitae of cerebellum

tree like arrangement of white matter

<p>tree like arrangement of white matter</p>
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vermis

Connects the two hemispheres of the cerebellum

<p>Connects the two hemispheres of the cerebellum</p>
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Brainstem

the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull

<p>the oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull</p>
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midbrain

A small part of the brain above the pons that integrates sensory information and relays it upward.

<p>A small part of the brain above the pons that integrates sensory information and relays it upward.</p>
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cerebral aqueduct (midbrain)

connects 3rd and 4th ventricles

<p>connects 3rd and 4th ventricles</p>
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Pons

A brain structure that relays information from the cerebellum to the rest of the brain

<p>A brain structure that relays information from the cerebellum to the rest of the brain</p>
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third ventricle location

within diencephalon

<p>within diencephalon</p>
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4th ventricle of brain

between brain stem and cerebellum

<p>between brain stem and cerebellum</p>
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medulla oblongata

the continuation of the spinal cord within the skull, forming the lowest part of the brainstem and containing control centers for the heart and lungs.

<p>the continuation of the spinal cord within the skull, forming the lowest part of the brainstem and containing control centers for the heart and lungs.</p>
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pyramids of medulla

paired white matter structures of the brainstem's medulla oblongata that contain motor fibers

<p>paired white matter structures of the brainstem's medulla oblongata that contain motor fibers</p>
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olive of medulla

contains inferior olivary nucleus

<p>contains inferior olivary nucleus</p>
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olfactory bulb

the brain center for smell, located below the frontal lobes

<p>the brain center for smell, located below the frontal lobes</p>
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optic nerve

carries neural impulses from the eye to the brain

<p>carries neural impulses from the eye to the brain</p>
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optic chiasma

where optic nerves cross over

<p>where optic nerves cross over</p>
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oculomotor nerve

eye movement

<p>eye movement</p>
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trochlear nerve

eye movement

<p>eye movement</p>
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trigeminal nerve

Cranial nerve responsible for chewing and face sensations

<p>Cranial nerve responsible for chewing and face sensations</p>
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abducens nerve

eye movement

<p>eye movement</p>
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facial nerve

cranial nerve VII

<p>cranial nerve VII</p>
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vestibulocochlear nerve

hearing and balance

<p>hearing and balance</p>
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glossopharyngeal nerve

knowt flashcard image
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vagus nerve

the tenth cranial nerve that innervates digestive organs, heart and other areas

<p>the tenth cranial nerve that innervates digestive organs, heart and other areas</p>
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accessory nerve

CN XI

<p>CN XI</p>
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hypoglossal nerve

tongue movement CN XII

<p>tongue movement CN XII</p>
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olfactory tract

smell

<p>smell</p>
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optic tract

How information from the optic nerve travels to the thalamus.

<p>How information from the optic nerve travels to the thalamus.</p>
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choroid plexus of third ventricle

produces cerebrospinal fluid

<p>produces cerebrospinal fluid</p>
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pineal gland

secretes melatonin

<p>secretes melatonin</p>
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transverse fissure

separates cerebrum and cerebellum

<p>separates cerebrum and cerebellum</p>
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falx cerebri, falx cerebelli, tentorium cerebelli

3 extensions of the dura mater

<p>3 extensions of the dura mater</p>
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transverse sinus vein

runs horizontally from the rear of the head toward each ear

<p>runs horizontally from the rear of the head toward each ear</p>
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straight sinus vein

between cerebrum and cerebellum

<p>between cerebrum and cerebellum</p>
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superior sagittal sinus vein

A venous sinus located in the midline just dorsal to the corpus callosum, between the two cerebral hemispheres.

<p>A venous sinus located in the midline just dorsal to the corpus callosum, between the two cerebral hemispheres.</p>
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olfactory buld

bulb-like structure at the tip of the frontal lobe, where the olfactory nerves begin

<p>bulb-like structure at the tip of the frontal lobe, where the olfactory nerves begin</p>
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olfactory tract

smell

<p>smell</p>
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trigeminal ganglion

knowt flashcard image
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vestibulocochlear nerve

hearing and balance

<p>hearing and balance</p>
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hypoglossal nerve

knowt flashcard image
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superior sagittal sinus

blue cavity surrounding the brain which collects blood draining from the brain tissue

<p>blue cavity surrounding the brain which collects blood draining from the brain tissue</p>
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labeled sagittal head

2. superior sagittal sinus

3. corpus callosum

4. septum lucidum

5. fornix

7. pineal gland

14. Intermediate mass of thalamus

13. pituitary gland

12. pons

10. medulla oblongata

11. spinal cord

9. arbor vitae

17. optic chiasma

<p>2. superior sagittal sinus</p><p>3. corpus callosum</p><p>4. septum lucidum</p><p>5. fornix</p><p>7. pineal gland</p><p>14. Intermediate mass of thalamus</p><p>13. pituitary gland</p><p>12. pons</p><p>10. medulla oblongata</p><p>11. spinal cord</p><p>9. arbor vitae</p><p>17. optic chiasma</p>
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anterior commissure sagittal head

connects the anterior parts of the cerebral cortex

<p>connects the anterior parts of the cerebral cortex</p>
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labeled ventricle model

knowt flashcard image
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interventricular foramen

knowt flashcard image
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hippocampus

knowt flashcard image
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interventricular foramen

connects lateral ventricles to third ventricle

<p>connects lateral ventricles to third ventricle</p>
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mamillary body

knowt flashcard image
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mamillary body

knowt flashcard image