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Test 4 spinal
Test 4 review Lombrana notes (3)
36
Anatomy
Undergraduate 1
11/20/2009

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Term
name the 4 major parts of the brain
Definition
brain stem, cerebellum,diencephalon, cerebrum
Term
the _____ is the largest part of the brain
Definition
cerebrum
Term
3 enlarged areas called the ______
Definition
primary vesicles
Term
name the 3 primary vesicles
Definition
prosencephalon, mesencephalon, rhombencephalon
Term
the prosencephalon is also known as
Definition
the forebrain
Term
the menencephalon is also known as
Definition
the midbrain
Term
anoter name for the midbrain is
Definition
mesencephalon
Term
another nme for rhombencephalon is
Definition
hindbrain
Term
the _____ becomes the pons, cerebellum & part of the fourth ventricle
Definition
metencephalon
Term
the ______ becomes the medulla oblongata and part of the fourth ventricle
Definition
myelencephalon
Term
the metencephalon becomes
Definition
the pons, cerebellum and part of the 4 ventricle
Term
the myelencephalon becomes
Definition
the medulla oblongata and part of the 4 th ventricle
Term
what does the hindbrain develop into
Definition
the cerebellum, pons, medulla oblongata
Term
what is another name for the hindbrain
Definition
rhombencephalon
Term
what separates the two hemispheres of the cerebellum
Definition
falx cerebelli
Term
what separates the cerebrum from the cerebellum
Definition
tentorium cerebelli
Term
the blood brain barrier consist of ___ and ____
Definition
specialized capillaries and astrocytes
Term
what is an astrocyte
Definition
a type of supportive neuroglia
Term
what is the blood brain barrier
Definition
a barrier that protects brain cells from harmful substances and pathogens
Term
what is the function of the blood brain barrier
Definition
it prevents the passage of material from the blood to the csf and the brain
Term
what is the CSF
Definition
a clear colorless liquid
Term
what is the purpose of the CSF
Definition
it protects the brain and spinal cord against chemical and physical injury
Term
what is the function of the CSF
Definition
it protects the brain and spinal card, and it carries o2, glucose and other chemicals from the blood to the neurons and neuroglia
Term
how many cavities are filled with csf fluid
Definition
4 csf filled cavities (ventricles)
Term
what is the septum pellucidum
Definition
it separates the two lateral ventricles
Term
what forms the csf
Definition
the ependymal cells form the csf from blood plasm
Term
the csf is formed by ependymal cells by ______ and _______
Definition
filtration and secretion
Term
where is the csf formed
Definition
csf is formed in choriod plexuses in the walls of the ventricles
Term
what is the arachnoid villi
Definition
fingerlike extensions of the arachnoid
Term
how is the csf reabsorbed?
Definition
whrough the blood through the arachnoid villi
Term
why is the csf reabsorbed
Definition
to exchange csf
Term
what does the cardiovascular center regulate
Definition
the rate and force of the heartbeat,
Term
name something else the cardio center regulates
Definition
the diameter of heart vessels and vasocontriction and vasodilation
Term
what does the medullary rhythmicity area of the resp center?
Definition
adjust the basic rhythm of the breathing
Term
the pons is also known as the
Definition
bridge
Term
the pons connects parts of the brain with each other via
Definition
bundles of axons
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