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Ardila Chapter 4
Chapter 4 Neuro Basis
39
Anatomy
Graduate
10/03/2009

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Term
What are Meninges
Definition
Membranes protecting and covering the brain
Term
Meningons
Definition
brain tumor of the meninges
Term
What are the 3 different layers of the meninges
Definition
Dura mater, Arachnoid membrane; Pia mater
Term
Describe duram mater including 2 layers
Definition
attached to the skull;dura=hard; endosteal layer and meningeal layer
Term
Describe Arachnoid membrane
Definition
Btw the dura and pia; web-like
Term
Describe Pia mater
Definition
What is a thin,soft, transparent membrane that is directly attacted to the cortex
Term
What is inflamation of the meninges called?
Definition
What is meningitis
Term
What is gray matter
Definition
Cell bodies that comprise the most external part of cortex; the bodies of the neurons are placed in the gray matter 5-20 mm
Term
What is white matter
Definition
Axons that look white due to the myelin sheath
Term
List the layers from the bone to the white matter
Definition
skull, dura -Endosteal layer; dura sinus; dura-meningeal layer; subdural space; arachnoid membrane. subarachnoid space; pia mater, gray matter, white matter
Term
What layer is attached to the skull
Definition
Endosteal layer
Term
Where are veins located that remove blood from the brain
Definition
dura sinus
Term
What layer is attached to the meninge
Definition
Meningeal layer
Term
If head injuy occurs here, veins can be damaged
Definition
subdural space
Term
What membraine contains arteries
Definition
Arachnoid membrane
Term
What is filled with CSF and arteries; reabsorbed to the blood
Definition
Subarachnoid space
Term
Where does veins move blood from the brain and directly covering the brain; cortex
Definition
Pia mater
Term
What moves blood to the brain and what takes blood from the brain
Definition
Arteries - blood to the brain; Veins - blood from the brain
Term
Describe the layer of the meniges starting with skin
Definition
Skin, Periosteum, bine, dura mater, subarachnoid, arachnoid, pia
Term
What is the external part of the bone under the skin
Definition
What is Periosteum
Term
What is the outer layer lining skull that contains blood vessels
Definition
What is the Dura mater
Term
There are 2 places where the dura is a what in the brain
Definition
An extension ( which layer)
Term
What part of the dura mater sometimes goews within the brain btw the right and left hemispheres
Definition
What is called the falx cerebri
Term
Where the dura mater enters the cerebellum and the occipital lobe is called the
Definition
What is the tentorium
Term
What is the function of the arachnoid granulation
Definition
What drains the spinal fluid to the blood
Term
Superior Sagittal sinus
Definition
Term
What is above the tentorium
Definition
Supratentorial; forebrain, ventricles
Term
What is the tentorium
Definition
What is the extension btw the occipital love and crebellum btw the cerbal hemispheres (right and left)
Term
What is below the tentorium
Definition
Infratentorial; Hindbrain (cerebellum), spinal cord (brainstem)
Term
When observing the tentorium what is beyond it?
Definition
The occipital lobe
Term
Where is the substantia nigra located at
Definition
It is located as the level of the midbrain
Term
Inflamation of the meninges is called what
Definition
What is meningitis
Term
What is the function of the dura sinus
Definition
Has veins removing blood from the brain
Term
If head injury occurs in the subdural space what can be damaged
Definition
Veins can be damaged here
Term
What are veins doing in the Pia mater
Definition
Veins moving blood from the brain
Term
What is the Falx Cerebri
Definition
What is the expansion of dura mater that is found btw the right and left hemisphere
Term
What is above the tentorium
Definition
The supratentorial: forebrain, ventricles
Term
What is below the tentorim
Definition
Where is the infratentorial:Hindbrain (cerebellum), Spinal cord
Term
The tentorium is an extension of what
Definition
It is an extension of the dura that separates the cerebellum from the occipital lobe.
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