CHAPTER 14

Question 1

ventricles

• a _____ is a cavity in the brain
• _____ ventricles (_____ ventricles)
• -a cavity is located in the _____ of each _____; thus, there are two lateral ventricles
• -the two lateral ventricles are the _____ of the ventricles
• -both lateral ventricles are separated by the _____
• -each communicates with the third ventricle via the _____ of _____
• _____ ventricle
• -the narrow third ventricle is located between the _____ of each side
• -it communicates with the fourth ventricle by the _____ of _____ (which is located in the midbrain)
• _____ ventricle
• -the fourth ventricle cavity is located in the _____ and _____
• -it is continuous with the _____ of the medulla, which, in turn, is continuous with the _____ of the _____
• -it opens by means of one _____ and two _____ into the _____
• -these apertures are the only means by which the cerebrospinal fluid formed in the ventricles enters the _____

Answer 1

ventricle 
lateral
2
interior
cerebral hemisphere
largest
septum pellucidum
interventricular foramen 
monoroe
third
thalamus
cerebral aqueduct 
sylvius 
fourth
pons
medulla
central canal
central canal 
spinal cord
median
lateral apertures
subarachnoid space
subarachnoid space

Question 2

cerebrospinal fluid (CSF)

• certain sites in the ventricles are lined with _____
• -the function of the choroid plexus is to produce _____
• CSF is a clear, colorless, _____ fluid, similar to blood plasma. it functions:
• -to _____ and _____ the _____ and _____
• -as a _____ system
• -as an _____ for _____
• the course of CSF is as follows
• -CSF is formed in the two _____ by the _____
• -it passes through the _____
• -it joins the CSF produced in the _____
• -it passes through the _____
• -it joins with the CSF produced in the _____
• -it passes through the _____ of the fourth ventricle into the _____
• -it then travels _____ around the brain and _____ around the _____
• the fluid circulates and eventually enters the _____, where CSF is reabsorbed and passes through the _____ to drain into the _____ and finally into the _____ system of the body

Answer 2

choroid plexus
CSF
acellular
cushion
support
brain
spinal cord
lymphatic
environment
neurons 
lateral ventricles
choroid plexus 
interventricular foramen of monroe
third ventricle
cerebral aqueduct of sylvius
fourth ventricle 
apertures
subarachnoid space
upward
downward
spinal cord 
arachnoid granulations
lateral lacunae
superior sagittal sinus
venous