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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 are some figures in the Image Library that may help.
Figure
2-7 Carotid artery supply
11-25 Cerebrovascular supply
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:
Vertebral artery supply:
Circle of Willis:
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,
supplementary motor area (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)
Maybe coma if edema
Deep middle
cerebral artery Deep ipsilateral structures: basal
ganglia, thalamus, hypothalamus Contralateral hemiplegia
Hemisensory loss
Transcortical motor aphasia
Transcortical sensory aphasia
Perisylvian area
Frontal (motor strip for face,
Contra face/hand weakness and
middle cerebral
artery
Upper quadrant anopsia
Wernicke’s aphasia (left)
Constructional apraxia (right)
Anterior cerebral
artery, entire
Medial cerebrum including
cingulate gyrus, corpus callosum,
Incontinence
Contralateral hemiplegia