Venous drainage of brain — Flashcards

10 flashcards

Which branch of the basilar artery arises just inferior to the posterior cerebral artery and supplies the superior surface of the cerebellum?

Which vessel of the Circle of Willis arises from the terminal bifurcation of the basilar artery?

Which artery of the Circle of Willis supplies the medial surface of the frontal and parietal lobes (including the motor and sensory areas for the lower limb)?

Which artery connects the internal carotid artery to the posterior cerebral artery in the Circle of Willis?

What structure is most commonly compressed by an aneurysm of the anterior communicating artery?

An aneurysm of which artery is most commonly associated with a CN III palsy?

Where do saccular "berry" aneurysms tend to occur?

Identify the branch of the vertebral artery labeled as number 3 in the provided image.

Identify the artery in the vertebrobasilar system labeled as number 9 (the vessel formed by the union of branches from both vertebral arteries descending the spinal cord):

#10

anterior cerebral artery (ACA)

Venous drainage of brain US Medical PG Flashcards - Medical Study Cards

Master Venous drainage of brain with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.

Venous drainage of brain Flashcard Deck - 10 Cards

Flashcard 1: Which branch of the basilar artery arises just inferior to the posterior cerebral artery and supplies the superior surface of the cerebellum?

Answer: Superior cerebellar artery (SCA)

Flashcard 2: Which vessel of the Circle of Willis arises from the terminal bifurcation of the basilar artery?

Answer: Posterior cerebral artery

Extra: The posterior cerebral artery (PCA) arises from the terminal bifurcation of the basilar artery. It supplies the occipital lobe and the inferior portion of the temporal lobe. It is connected to the internal carotid artery via the posterior communicating artery, completing the posterior part of the Circle of Willis.

Flashcard 3: Which artery of the Circle of Willis supplies the medial surface of the frontal and parietal lobes (including the motor and sensory areas for the lower limb)?

Answer: Anterior cerebral artery (ACA)

Flashcard 4: Which artery connects the internal carotid artery to the posterior cerebral artery in the Circle of Willis?

Answer: Posterior communicating artery

Extra: Aneurysms of the posterior communicating artery (PCoA) are a common cause of third nerve (oculomotor) palsy.

Flashcard 5: What structure is most commonly compressed by an aneurysm of the anterior communicating artery?

Answer: Optic chiasm compression, resulting in bitemporal hemianopia.

Extra: Aneurysms of the anterior communicating artery (ACom) are the most common site of Berry aneurysms in the Circle of Willis. Due to their location, they can compress the optic chiasm, leading to visual field defects.

Flashcard 6: An aneurysm of which artery is most commonly associated with a CN III palsy?

Answer: CN III (Oculomotor nerve) palsy

Extra: Aneurysms of the posterior communicating artery (PCoA) typically cause a CN III palsy with pupil involvement (mydriasis), because the parasympathetic fibers are superficial on the nerve. Findings: Ptosis, "down and out" eye position, and a dilated pupil.

Flashcard 7: Where do saccular "berry" aneurysms tend to occur?

Answer: bifurcations in Circle of Willis; especially anterior and posterior communicating arteries

Flashcard 8: Identify the branch of the vertebral artery labeled as number 3 in the provided image.

Answer: posterior spinal arteries

Flashcard 9: Identify the artery in the vertebrobasilar system labeled as number 9 (the vessel formed by the union of branches from both vertebral arteries descending the spinal cord):

Answer: Anterior spinal artery

Extra: The anterior spinal artery is formed by the union of two small branches from the vertebral arteries. It descends in the anterior median fissure and supplies the anterior two-thirds of the spinal cord.

Flashcard 10: anterior cerebral artery (ACA)

Answer: medial motor cortex, medial sensory cortex

Extra: leg paralysis and sensory loss

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Venous drainage of brain Flashcards for USMLE

Study 10 flashcards on Venous drainage of brain for USMLE Anatomy. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Vascular supply (Circle of Willis). Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.

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There are 10 flashcards for Venous drainage of brain, covering the key concepts, clinical correlations, and high-yield facts from this chapter of Vascular supply (Circle of Willis).

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Yes. This page covers one chapter of Vascular supply (Circle of Willis). Visit the topic page to see all chapters and their flashcards under Anatomy.

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