Shared Flashcard Set

Details

Cerebrum
External morphology and Blood supply
93
Anatomy
Graduate
01/26/2015

Additional Anatomy Flashcards

 


 

Cards

Term
lateral fissure aka
Definition
sylvian fissure
Term
4 lobes of the cerebral hemisphere
Definition
frontal, occipital, parietal, temporal
Term
central sulcus aka
Definition
fissure of rolando
Term
lateral fissure separates what two lobes
Definition
frontal and temporal lobe
Term
central sulcus separates what two lobes
Definition
frontal and parietal
Term
on either side of the central sulci are called what
Definition
precentral and postcentral gyri
Term
the precentral gyrus of the frontal lobe is involved with what
Definition
motor activities
Term
the postcentral gyrus of the parietal lobe is involved with what activities
Definition
somatosensory activities
Term
the frontal lobe contains two other sulci called what
Definition
superior and inferior frontal sulci
Term
the superior and inferior frontal sulci outlien the limits of what
Definition
superior, middle, and inferior gyri of the frontal lobe
Term
vertical portion of the inferior frontal gyrus immediately rostral to the precentral gyrus is called what
Definition
pars operculum
Term
pars operculum is the location of what
Definition
broca's area
Term
broca's area is involved in what
Definition
motor production of speech
Term
damage to broca's area could result in what
Definition
dysphasia
Term
2 divisions of the temporal lobe
Definition
superior temporal sulcus, middle temporal sulcus
Term
sulcus which runs parallel to the lateral fissure and separates superior and middle temporal gyri
Definition
superior temporal sulcus
Term
the middle temporal sulcus is the boundary between what 2 gyri
Definition
middle and inferior temporal gyri
Term
which temporal gyri is best view from the ventral surface, with only a small part being seen on the lateral view
Definition
inferior temporal gyrus
Term
sulci of the superior surface
Definition
intraparietal/interparietal sulcus
Term
intraparietal/interparietal sulcus divides the parietal lobe into what
Definition
superior and inferior parietal lobules
Term
what divides the two hemispheres of the cerebrum
Definition
longitudinal fissure
Term
two gyri of the inferior parietal lobule
Definition
supramarginal, angular gyri
Term
lateral surface of the occipital lobe is covered by a group of small gyri designated as what
Definition
lateral occipital gyri
Term
gyri on the inferior surface of the frontal lobe are called what
Definition
orbital gyri
Term
olfactory sulcus is associated with what
Definition
olfactory bulb and tract
Term
small gyrus between the olfactory sulcus and the longitudinal fissure is called what
Definition
gyrus rectus
Term
lobe that may be involved in taste sensation and/or visceral sensation and motility, seen by removing portions of the frontal lobe
Definition
insular lobe
Term
insula is sometimes included in what system
Definition
limbic system
Term
limbic system is a group of what structures
Definition
cortical and subcortical
Term
what are the thalamus and hypothalmus separated by
Definition
hypothalamic sulcus
Term
what is suspended from the infundibulum
Definition
pituitary gland
Term
what are the 4 parts of the corpus callosum
Definition
splenium, body, genu, rostrum
Term
structure just ventral to the body of the corpus callosum
Definition
septum pellucidum
Term
the septum pellucidum separates what features
Definition
lateral ventricles
Term
what is ventral to the septum pellucidum
Definition
fornix
Term
large fiber bundle associated with the limbic system ventral to the septum pellucidum
Definition
fornix
Term
ventral to the fornix are a bundle of fibers, called what
Definition
anterior commisure
Term
what features contain fibers that interconnect the cerebral hemispheres
Definition
corpus callosum, anterior commisure
Term
what forms the anterior wall of the third ventricle
Definition
lamina terminalis
Term
what marks the rostral limit of the midbrain on the dorsal surface?
Definition
posterior commissure
Term
the ventral junction between diencephalon and midbrain occurs just caudal to what
Definition
mammillary bodies
Term
the habenula is located next to what
Definition
the pineal body
Term
the pineal body is located next to what
Definition
habenula
Term
the habenula, pineal body, and stria medullaris thalami comprise what
Definition
epithalamus of the diencephalon
Term
what makes up the epithalamus of the diencephalon
Definition
habenula, pineal body, stria medullaris thalami
Term
what marks the rostral limit for the thalamus
Definition
interventricular foramen of monro
Term
structure slightly posterior to the splenium of the corpus callosum, splits the occipital lobe in half
Definition
calcarine sulcus
Term
calcarine sulcus extends caudally into what lobe
Definition
occipital
Term
the cortex receiving optic radiations lies within what sulcus
Definition
calcarine sulcus
Term
what is the name of the sulcus that veers off of the calcarine sulcus?
Definition
parieto-occipital sulcus
Term
what separates the parietal and occipital lobes
Definition
parieto-occipital sulcus
Term
the parietal lobe extends as far forward as what
Definition
central sulcus
Term
what is the medial boundary for the superior frontal gyrus
Definition
cingulate sulcus
Term
sulcus above the corpus callosum
Definition
callosal sulcus
Term
thin band of tissue that marks the path of the superior cerebellar peduncle between the cerebellum and midbrain
Definition
superior medullary vellum
Term
structure ventral to the calcarine sulcus
Definition
lingula or lingular/lingual gyrus
Term
wedge shaped gyrus forming the dorsomedial portion of the occipital lobe between calcarine sulcus and the parieto occipital sulcus
Definition
cuneus
Term
cuneus lies between what structures
Definition
calcarine sulcus, parieto-occipital sulcus
Term
segment of the parietal lobe occupying the dorsomedial surface of the hemisphere between the parieto-occipital and cingulate sulcus
Definition
precuneus
Term
the precuneus is located between what two scructures
Definition
parieto-occipital sulcus, cingulate sulcus
Term
structure which surrounds the medial extension of the central sulcus
Definition
paracentral lobule
Term
the paracentral lobule's rostral section is in what lobe
Definition
frontal lobe
Term
the paracentral's lobule caudal part is in what lobe
Definition
parietal lobe
Term
gyrus which extends along the corpus callosum from the genu to the splenium
Definition
cingulate gyrus
Term
most posterior part of the frontal lobe on the medial basal surface
Definition
subcallosal area
Term
small gyrus produced by the underlying amygdala
Definition
uncus
Term
this gyrus of the temporal lobe is continuous with the lingula
Definition
parahippocampal gyrus
Term
gyrus between the parahippocampal gyrus and inferior temporal gyrus
Definition
occipitotemporal gyrus
Term
the occipitotemporal gyrus is between what 2 structures
Definition
parahippocampal gyrus, inferior temporal gyrus
Term
what is the medial boundary of the occipitotemporal gyrus
Definition
collateral sulcus
Term
3 arteries that supply blood to the brain
Definition
basilar and (2) internal carotid arteries
Term
3 branches from the 3 major vessels that supply the brain
Definition
anterior cerebral artery, middle cerebral artery, posterior cerebral artery
Term
the anterior cerebral arteries are derived from what arteries
Definition
internal carotid arteries
Term
anterior cerebral artery supplies what (4)
Definition
medial hemispheric surface, olfactory bulb, olfactory tract, superior hemispheric surfaces
Term
middle cerebral arteries are derived from what arteries
Definition
internal carotid aa
Term
middle cerebral artery supplies what
Definition
most of the lateral surface of the hemisphere
Term
posterior cerebral artery supplies what (3)
Definition
occipital lobe, medial parts of the temporal lobe, tectum of the midbrain
Term
4 types of cranial bleeds
Definition
epidural(extradural) bleed, subdural, intracerebral, subarachnoid
Term
bleeding between the skull and dura mater
Definition
epidural/extradural bleed
Term
epidural/extradural bleeds result from tears of what arteries
Definition
meningeal aa
Term
which meningeal artery is usually torn for epidural/extradural bleeds?
Definition
middle meningeal aa
Term
middle meningeal aa is a branch of what aa
Definition
maxillary aa
Term
epidural/extradural bleeds can be fatal because what happens to the skull as a result of the blood?
Definition
blood rapidly dissects meningeal dura from inner aspect of skull
Term
bleeding between the arachnoid and duramaters
Definition
subdural bleeds
Term
subdural bleeds result from what
Definition
tears of cerebral veins at junctions with dural sinus
Term
subdural bleeds may cause signs of what in hours or over many weeks
Definition
increased intracranial pressure
Term
type of hemorrhagic stroke/cerebrovascular accident that occur within the brain substance
Definition
intracerebral bleeds
Term
result of intracerebral bleeds
Definition
death of brain tissue in involved area
Term
bleeding in the subarachnoid space
Definition
subarachnoid bleeds
Term
s/s of subarachnoid bleeds
Definition
sudden headache and loss of consciousness
Term
what parts of the brain contain a tegmentum
Definition
medulla, pons, midbrain
Term
what parts of the brain contain a tectum
Definition
midbrain only
Term
what separates the tectum from the tegmentum
Definition
cerebral aqueduct
Supporting users have an ad free experience!