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Embryonic Development (look in BOOK)
Neural Tube
Primary Brain Vesicles
Secondary Brain Vesicles
Neural Canal Derivitive
Structures within Brain Region
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Neural Tube-(nothing just a tube)
Primary Brain Vesicles
-prosencephalon (forebrain)
-Mesencephalon (midbrain)
-rhombencephalon (hindbrain)
Secondary Brain Vesicles (Mesencephalon (midbrain))
Tell Di Mes Met My (mom)
Neural Canal Derivitive
Structures within Brain Region
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Cranial Meninges
-_________ ______ layers surrounding _____ and ______ _____
-Functions:
-__________ _____ from _____
-_________ and ______ blood vessels supplying the brain
-________ and ______ ____________ _____
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-Connective Tissue layers surrounding brain and spinal cord
-Functions:
-Separate brain from skull
-Enclose and protect blood vessels supplying the brain
-contain and circulate cerebrospinal fluid
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Brain Ventricles
hint: there is 6!
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Brain Ventricles
-Lateral Ventricles
-Septum Pellucidum
-Third Ventricle
-Mesencephalic (cerebral) aqueduct
-fourth ventricle
-choroid plexus (which makes cerebral spinal fluid)
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Cerebral Sinal Fluid (CSF)
-produced in the _________ ______
-made of ________ cells
-_____, ________ fluid
-circulates through the _________
functions:
________ (reduces brain wieght by __%)
________ (provides liquid cushion)
____________ ________(transports _________, ________ __________ and removes ______).
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-produced in the choroid plexus
-made of ependymal cells
-clear, colorless fluid
-circulates through the ventricles
functions:
Buoyancy (reduces brain wieght by 95%)
Protection (provides liquid cushion)
Environmental stability (transports nutrients, chemical messangers, and removes wastes).
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Hydrocephalus
"_______ on the _____"
-excessive _ _ _
-can result from either ________ of _ _ _ flow or problems with the ________ ____ intrinsically
-can be treated by inserting ___________ _____(VP) or _________ ______ ____________(ETV)
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"water on the brain"
-excessive CSF
-can result from either obstruction of CSF flow or problems with the arachnoid villi intrinsically
-can be treated by inserting ventroculoperitoneal shunt (VP) or endoscopic thrid ventriculostomy (ETV)
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Cerebrum
-location of _________ ________ processes
-divided into _______________
-connected by ________ _________
-____ _______
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-location of conscious thought processes
-divided into hemispheres
-connected by corpus callosum
-gray matter
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Lobes of Cerebrum
-Frontal
-________ making, ________, verbal ____________, _______ motor control of _______ muscles
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Lobes of Cerebrum
-Frontal
-Decision making, personality, verbal communication, voluntary motor control of skeletal muscles
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What does the parietal lobe control?
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-Parietal
-sensory interpretation of textures and shapes, understanding speech
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What does the temporal lobe control?
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-auditory and olfactory experience
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What does the occipital lobe cause?
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Vision
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What does the insula cause?
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taste, memory
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Cerebellum
-________ and __________ body movements via: information on ___________ and ________, information on current ____________, proprioception
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-smoothes and coordinates body movements via: information on equillibrium and posture, information on current movements, proprioception
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Parts of the cerebellum?
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-cerebellar hemispheres, vermis, arbor vitea
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Brain Stem
called the?
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"primitive brain"
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Brain Stem
-___________ passageway between _______ and _____ _____..
-Contains many _______ and _____ centers essential for ________
-includes the ______________, _____, and _______ _________
-______ ________
-no _____ thought
-just ________ ____
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-Bidirectional passageway between cerebrum and spinal cord.
-Contains many autonomic and reflex centers essential for survival
-includes the mesencephalon, pons, and medulla oblongata
-heart beating
-no higher thought
-just physically alive
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