Planes of Section, Directional Terms, etc.
Areas of the Brain & Protections
Nerves & Protection
CSF & entrance into the brain
Ventricles & CSF
100
The Blood-Brain Barrier is made possible by star-shaped cells called ____________.
What are "Astrocytes".
100
The __________________ keeps viruses & bacteria, chemicals, some nutrients (vitamins, hormones, several medications, etc.) out of the brain.
What is the "Blood Brain Barrier"?
100
This part of the midbrain processes pain messages.
What is the Periaqueductal Gray Matter?
100
The 4 main purposes of the Cerebrospinal Fluid.
What are buoyancy, protection, the providing of nutrients, and waste removal?
100
The Cerebrospinal Fluid is manufactured in the ___________, by the _____________.
What are the Ventricles and the "choroid plexuses"?
200
Toward the back. The top of the brain is also considered to be this, because the brain projects forward in the skull.
What is dorsal?
200
This area of the brain assists with the interpretation/understanding of language.
What is Wernicke's Area?
200
There are ___ pair of Cranial Nerves in the __________ Nervous System.
What are 12 and Peripheral?
200
The 3rd and 4th Ventricles are connected via this.
What is the Cerebral Aqueduct?
200
There are ____ Ventricles, the hollow spaces in the brain where the CSF is made and stored.
What is 4 (2 lateral, 3rd, and 4th)?
300
The astrocytes stimulate the outside of blood vessels, causing them to form ________, which keep out many harmful substances.
What are "tight junctions"?
300
The areas of the skull protect and are named for the various ____________ of the brain.
What are the lobes?
300
The Dorsal nerves of the spinal cord are ______________ and ______________, in that order.
What are sensory and afferent (ascending)?
300
The cell's plasma membrane is a _______________ bilayer, that allows oxygen, carbon dioxide, water, and ______________-soluble substances into the cell.
What are "phospholipid" and "lipid-" (fat)?
300
The 3rd ventricle drains into the 4th ventricle, via this.
What is the cerebral aqueduct?
400
Plane of section as shown above.
What is the Coronal Plane of Section?
400
The "Subarachnoid Lymphatic-like Membrane" (SLYLM) is a recent discovery in the brain, adding a fourth ___________ layer.
What is meningeal?
400
The "Hard Mother" is one of the Meninges, adding protection to the brain. It is also called this.
What is Dura Mater?
400
Water-soluble substances must be ____________ and enter the cell via _____________.
What are "ionized" and "protein channels?"
400
There is this much CSF in the brain at any given time. The brain produces this much CSF per day.
What is 50 ml and what is 1.2-1.5 liters, in that order?
500
Plane of section as shown above.
What is the Horizontal Plane of Section?
500
When the dopamine neurons in this area of the midbrain are damaged and produce less dopamine, this disease may result.
What are substantia nigra and Parkinson's disease?
500
The 4 Meninges, from the brain upward toward the skull.
What are the Pia Mater, "SLYM", Arachnoid Mater, and Dura Mater?
500
Where the blood vessels are located in the brain and the area in which the Cerebrospinal Fluid flows around the brain and spinal cord.
What is the "subarachnoid" space?
500
The longest nerve in the body, which innervates the heart, lungs, and other major organs in the body.
What is the Vagus Nerve?