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Neuroanatomy Lab 3
Cerebrovascular Supply (Cadaver Lab)
To the Instructor:
The focus of this lab is on the cerebrovascular supply, most specifically of the cerebral cortex.
The following figure in the Image Library may help.
Figure
6-8
Cerebrovascular supply
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Neuroanatomy Lab 3
Cerebrovascular Supply (Cadaver Lab)
Before the lab, you will want to study the figures from your text to help you identify the
following landmarks.
Internal carotid artery supply:
anterior cerebral artery
middle cerebral artery
Vertebral artery supply:
posterior cerebral artery
basilar artery
anterior-inferior cerebellar artery
posterior-inferior cerebellar artery
Circle of Willis:
anterior communicating artery
posterior communicating artery
Breakdown of Deficit by Artery Occluded
Information is from Netter, F. (1983). The CIBA collection of medical illustrations. Volume 1.
Nervous System. Part 1. Anatomy and Physiology (p. 58). West Caldwell, NJ: CIBA
Pharmaceutical Company.
Lesion site
Infarct surface
Clinical manifestations
Entire middle
cerebral artery
Large perisylvian area of frontal
(prefrontal, premotor, Broca’s,
SMA, orbital), insula, parietal
(supramarginal, angular, area 7),
temporal (22 including
Wernicke’s, Heschl’s, 42, 38),
basal ganglia, thalamus,
hypothalamus
contralateral gaze palsy
hemiplegia
hemisensory loss
spatial neglect
hemianopsia
global aphasia (if left)
may be coma if edema
Deep middle
cerebral artery
Deep ipsilateral structures: basal
ganglia, thalamus, hypothalamus
contralateral hemiplegia
hemisensory loss
transcortical motor aphasia
transcortical sensory aphasia
Parasylvian area of
middle cerebral
artery
Frontal (motor strip for face,
larynx, mastication, Broca’s),
insula, parietal (supramargina,
angular), temporal (Heschl’s,
Wernicke’s)
contra face/hand weakness and
anesthesia
conduction aphasia (left)
verbal apraxia (left)
Gerstmann’s syndrome (right)
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Superior division,
middle cerebral
artery
Frontal (prefrontal, premotor,
Broca’s, SMA, orbital), insula,
parietal (supramarginal)
contralateral hemiplegia
hemisensory loss
gaze paralysis
spatial neglect
Broca’s aphasia (left)
Inferior division,
middle cerebral
artery
Temporal lobe
contralateral hemianopsia
upper quadrant anopsia
Wernicke’s aphasia (left)
constructional apraxia (right)
Anterior cerebral
artery, entire
territory
Medial cerebrum, including
cingulate gyrus, corpus callosum,
hippocampus, limbic system,
thalamus, medial motor, and
sensory strips
incontinence
contralateral hemiplegia
abulia
transcortical motor aphasia
transcortical sensory aphasia
left limb apraxia
Distal anterior
cerebral artery
Medial superior cerebrum,
including cingulate gyrus, corpus
callosum for parietal and posterior
frontal, medial motor, and sensory
strips
contralateral weakness of leg, hip,
foot, shoulder
sensory loss in foot
transcortical motor aphasia
transcortical sensory aphasia
left limb dyspraxia