Structure and Function of the Brain and Cranial Nerves Flashcards
What are the three major parts of the brain?
cerebrum, brainstem, cerebellum
What is the general name for the membranes that surround the brain?
meninges
What are the three meninges and where are they located around the brain?
dura mater- outermost layer
arachnoid mater- next deepest layer
pia mater- deepest layer, sits directly on the surface of the brain like shrink wrap
What is the space between the dura mater and arachnoid mater called?
the subdural space
What is the space between the arachnoid mater and the pia mater called?
the subarachnoid space, contains cerebrospinal fluid (CSF)
The hindbrain is made up of what three organs?
the pons, the medulla oblongata, and the cerebellum
What are the major functions of cerebrospinal fluid?
buoancy, protection, and chemical stability
What are the four cerebral lobes?
Frontal, Parietal, Occipital, and Temporal
What connects the right and left hemispheres of the brain?
Corpus Callosum
The forebrain is made up of what three organs?
Thalamus, Hypothalamus, and Epithalamus
The ____ separates the temporal lobe from the frontal and parietal lobes of the brain.
lateral fissure
anterior is also called
rostral
posterior is also called
caudal
The ridges of the brain are called ____, and the depressions of the brain are called ____.
gyri, sulci
The ____ composes 83% of the actual brain volume.
cerebrum