lab practical Flashcards
the telencephalon is at the level of what things?
lateral ventricles and cranial nerve I
what is cranial nerve I?
olfactory
what major things does the telencephalon include?
internal capsule
corpus callosum
basal ganglia
cerebral hemispheres
what separates the telencephalon from the diencephalon?
foramen of munro
optic chiasma
what are the parts of the corpus collusum?
rostrum
genu
body
splenium
what is the covering of the lateral ventricles called?
septum pellucidum
what are the parts of the fornix? where are they? (anterior portion etc.)
column=anterior
body=middle
crus=posterior
what are the sulci in the posterior portion of the brain that you need to know and describe them.
parieto occipital obvious
calcarine=divides the occipital lobe
the diencephalon is at the same level as what things?
3rd ventricle
cranial nerve II
what is cranial nerve II?
optic nerve
what major things does the diencephalon contain?
epithalimus thalamus subthalamus hypothalmus most of 3rd ventricle
what is the valley between the hypothalamus and the thalamus called?
hypothalamic sulcus
what is the stalk of the pituitary gland called?
infundibulum
is the pineal body anterior or posterior?
posterior
what makes up the plane that separates the diencephalon from the mesencephalon?
the plane stretched form the posterior commissure to the posterior limit of the mammillary bodies
what is the middle of the X of the optic nerve called?
optic chiasma
what is the part of the optic nerve that extends backwards into the more posterior portion of the brain called?
optic tract
what are the two portions of the tectum called?
superior colliculus
inferior colliculus
what 2 things must you identify on the brain stem model?
medial geniculate body
lateral geniculate body
what is the little valley that runs into the 4th ventricle called?
the cerebral aqueduct
what two things make up the cerebral peduncle?
tegmentum
basis
what is another name for the tectum?
corpora quadrigemina
what are the sulcus and gyrus that surround the limbic lobe called?
cingulate
the metencephalon is at the level of what things?
4th ventricle
cranial nerves 5, 6, 7, 8
what does the metencephalon contain?
pons and cerebellum
what are the different peduncles?
superior cerebellar
middle cerebellar
inferior cerebellar
DO NOT CONFUSE WITH THE CEREBRAL PEDUNCLE
what is a peduncle
a stalklike structure composed of white matter, connecting various regions of the brain
the mesencephalon is at the level of what?
cerebral aqueduct and cranial nerves 3 and 4
what is the mesencephalon made of?
superior and inferior colliculi, crus cerebri, cerebral aqueduct
where is the substantia nigra?
mesencephalon
what is the mylencephalon?
brain stem immediately rostral to the first spinal nerve
what is the border between the metencephalon and the myelencephalon?
most caudal part of the pons
what are the sulci on the front and back of the brainstem called?
ventral median sulcus VMS
dorsal median sulcus DMS
what does the myelencephalon contain?
pyramid, olive, cranial nerves 9-12
if you have to identify 2 things on the dura matter of the brain, what will they be?
falx cerebri (superior sagittal sinus) falx ceribelli
what are 4 sinuses in the skull?
frontal
ethmoid
sphenoid
maxillary
what is the function of the medial pterygoid plates?
attachments for palatine muscles
what bones are the mastoid and styloid processes on?
temporal
what is the portion of the occipital bone that is anterior to the magnum foramen called?
basilar
what are the bumps lateral to the magnum foramen on the occipital bone called?
occipital condyles
what bone is the cribiform plate and crista galli on?
ethmoid
what is the bump on the sphenoid bone called?
sella turcica
what are the fossa of the skull?
anterior cranial fossa
middle cranial fossa
posterior cranial fossa
name the parts of the mandible
body ramus angle head coronoid process
what is the ridge of the temporal bone called?
petrous ridge
