cross section: brain worksheets
the third ventricle opens into which ventricle via aqueduct of sylvius
4th
what is the outermost layer of the meninges?
Dura mater
please list the lates of meninges in order form outermost layer to innermost
Dura matter, arachnoid space, pia mater
the cerebral cortex of each hemisphere can be divided into ______ individual lobes
Four
This lobe of the brain, containing the precentral gyrus, controls many motor functions
Frontal
how many ventricles are there
Right lateral, left lateral, third and fourth
what are the four parts to the corpus callosum
Rostrum, genu, body, splenium
what are the two other important bundles of white matter
anterior and posterior commissures
the temporal lobe is ______ to the occipital lobe and is separated from the parietal lobe the the _______
anterior; lateral fissure (sylvian)
what communicating passageway separates the third ventricle from the fourth ventricle
aqueduct of sylvius
what is the middle layer of the meninges
arachnoid space
excess CSF is absorbed by what in the dural sinuses
arachnoid villi
what structure allows for absorption of excess CSF by the dural sinsues
arachnoid villi
The temporal lobe is responsible for what functions
auditory and olfactory
the parietal lobe is separated from the frontal lobe by the ______ and separated form the temporal lobe by the _________.
central sulcus; horizontal portion of lateral fissure
the frontal lobe is separated from the parietal lobe by the _______ and separated form the temporal lobe by the _______
central sulcus; lateral fissure
the fourth ventricle is located anterior the the ________ and posterior to the ________
cerebellum; pons
the communicating passageway that links the third ventricle and the fourth ventricle is the
cerebral aqueduct (aqueduct of sylvius)
the ______ is the outermost portion of the cerebrum. It is made up of _____ matter.
cerebral cortex, gray
the lateral ventricles lie within what hemisphere
cerebral hemisphere
What is the largest portion fo the brain
cerebrum
this network of blood vessels produces CSF
choroid plexus
where is CSF produced
choroid plexus
________ is the largest basil cistern
cistera magna
the fourth ventricle opens into what structure via the foramen of madendie and the foramens of luschka
cistern magna (basal)
what is the name of the largest basal cistern
cisterna magnua
The occipital lobe is responsible for what functions
conscious perception of visual stimuli
the largest and densest bundle of white matter is the ______
corpus callosum
what is the largest most dense area of white matter
corpus callosum
what space separates the skull from the dura mater
epidural space
list the dural folds and what they separate
falx cerebri: separates cerebral hemispheres tentorium cerebrlli: partition between cerebrum and cerebellum falx cerbelli: separates cerbellar hemisphers
what communicating passageway seperates the lateral ventricles and the third ventricle
foramen monro
Through what communicating passageway does CSF exit the ventricular system
foramen of luschka (foramen of megundie)
all of the following form the trigone of the lateral ventricle except: frontal (anterior) horn body occipital (posterior) horn temporal (inferior) horn
frontal (anterior) horn
the lateral ventricles consist of a body with three extensions. using both names please list the extensions.
frontal (anterior), occipital (posterior), temporal (inferior) horn
general tern used to describe widened areas or pools of cerebrospinal fluid
grandulations
the outermost portion of the brain, the cerebral cortex, is made up of _________ matter
gray
which portion of the diencephalon makes up the floor of the third ventricle
hypothalamas
this lobe of the brain mediates motor and sensory functions
insula
what is referred to as the fifth lobe
insula, deep within the temporal lobe
the communicating pathways that links the lateral ventricles and the third ventricle is the _________
interventricular foramen (foramen of monro)
the anterior wall of the third ventricle is formed by the ______ and the lateral walls are formed by the ________
lamina terminails; thalamus
the insula is separated from the temporal lobe the the ______
lateral fissure
which fissure divides the frontal and parietal lobe from the temporal lobe
lateral fissure (sylvian)
the choroids plexus lines the floor of the ______, roof of the _______, and _________ fo the fourth ventricle
lateral ventricles, third ventricle, inferior medullan velum
which fissure divides the cerebrum into right and left hemispheres
longitudinal fissure
the communicating passageway that links the fourth ventricle and the cisterna magna and the ______, __________
median aperture (foramen of magendie) and lateral aperture (foramen of luschka)
the insula is responsible for what functions
mediates motor and sensory functions of the viscera
the __________ are three protective membranes that surround and protect the brain
meninges
This lobe of the brain controls many of the functions of vision
occipital
This lobe of the brain, containing the postcentral gyrus, controls many sensory functions
parietal
the parietal lobe is responsible for that functions
perception of temperature, touch, pressure, vibration, pain, taste, writing and reasoning
what is the inner layer of the meninges
pia mater
the occipital lobe is the most ________ lobe and is separated from the parietal lobe by the _________
posterior; parieto-occipital
Broca's area is responsible for what functions
protection for speech
the frontal lobe is responsible for what functions
reasoning, judgement, emotional response, planning and execution of complex actions and voluntary muscle
please list the ventricles within the ventricular system of the brain
right lateral, left lateral, third and fourth
the lateral ventricles are separated at the midline by what structure. This structure is frequently used as a landmark to determine if the midline of the brain has shifted as a result of trauma or pressure
septum pallucdum
the arachnoid mater and pia mater are separated by what space
subarachnoid space
what space separates the arachnoid membrane from the pia mater
subarachnoid space
which space contains cerebrospinal fluid
subarachnoid space
which space contains the cerebrospinal fluid
subarachnoid space
the dura mater and arachnoid mater are separated by what space
subdural space
what space separates the dura mater form the arachnoid space
subdural space
the choroid plexus is located in all of the following areas excpet
superior medullary velum of the 4th ventricle
this lobe of the brain controls many of the functions of hearing
temporal
which portion of the diencephalon makes up the lateral walls of the third ventricle
thalamus
The _______, _______, and _______ make up the diencephalon. The pituitary galnd is an endocrine gland connected to the _________
thalamus, hypothalamus, epithalamus; hypothalamus
the lateral ventricles open into which ventricle via the foramen of monro
third ventricle
the junction of the body and the occipital and temporal horns of the lateral ventricles form a triangular area called the
trigone
the ______ are fluid filled cavities located deep within the brain. They are a major portion of the ventricular system
ventricles
the _______ provides a pathway for the circulation of cerebrospinal fluid
ventricular system