14 Questions
What is the function of the arterial system?
Arteries supply oxygenated blood to target tissues or territories.
What are the two types of arteries?
There are extracranial and intracranial arteries.
What are the major vessels passing through the neck-level prior to entering the intracranial cavity?
The internal carotid arteries and the vertebral arteries.
What are the objectives of studying the arterial system?
To identify and describe the route and territories of the major arterial supply, to understand the significance of anatomical features related to disorders of the cerebrovascular system, and to identify the major vessels depicted in angiograms and the territories affected by stenosis or blockage in CT/MR images.
What are the segments of the internal carotid artery?
Clinoid segment, cavernous segment, petrous segment, lacerum segment, and cervical segment.
What are the territories supplied by the anterior cerebral artery?
The septal nuclei, anterior portion of the hypothalamus, and striatum.
What are the territories supplied by the middle cerebral artery?
The insular branches, anterior temporal artery, basal ganglia, and multiple cortical branches.
What are the territories supplied by the vertebral and basilar arteries?
The cerebellum, meningeal branches, and pontine branches.
What are the possible causes of cerebrovascular disease?
Ischemia, hemorrhage, rupture of blood vessels, aneurysms, arterio-venous malformations, and degenerative diseases.
What are the three segments of the internal carotid artery?
The three segments of the internal carotid artery are the ophthalmic segment, clinoid segment, and petrous segment.
What are the territories supplied by the middle cerebral artery?
The middle cerebral artery supplies the insular branches, anterior temporal artery, and branches to the basal ganglia.
What are the territories supplied by the vertebral and basilar arteries?
The vertebral and basilar arteries supply the cerebellum and have branches such as the anterior spinal artery and pontine branches.
What is the Circle of Willis?
The Circle of Willis is a circular network of arteries at the base of the brain that connects the internal carotid and vertebrobasilar systems.
What are the possible causes of cerebrovascular disease?
Cerebrovascular disease can be caused by ischemic occlusion, narrowing, thrombus, or embolism; hemorrhage from rupture of blood vessels; vascular malformations; or trauma.
Test your knowledge of the arterial system with this quiz by Prof Dara M Cannon. Identify and describe the routes and territories of the extracranial and intracranial arteries, including the internal carotid and vertebral arteries.
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