Circle of Willis Animation : Neuroanatomy USMLE Step 1

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- / drgbhanuprakash
📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- t.me/bhanuprakashdr
📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- linktr.ee/DrGBhanuprakash
Gross Anatomy of Circle of Willis and clinical Significance
Circle of Willis
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Definition: a vascular circuit formed by the anastomoses between branches of the internal carotid arteries (anterior circulation) and vertebral arteries (posterior circulation) around the optic chiasm and pituitary stalk
Consists of paired:
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Internal carotid arteries (proximal to the origin of the middle cerebral arteries)
Anterior cerebral arteries (terminal branches of the internal carotids)
Posterior cerebral arteries (terminal branches of the vertebral arteries)
Two anastomoses
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Anterior communicating artery: connects the two anterior cerebral arteries
Posterior communicating artery (branch of internal carotid artery): connects the ICA to the posterior cerebral artery
Functional significance
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The circuit provides alternative channels to bypass a potential site of vascular occlusion.
Equalizes arterial flow to both cerebral hemispheres
Clinical significance
---------------------------------
Most saccular cerebral aneurysms, also known as berry aneurysms, occur in the anterior circulation of the brain, usually at the junction of the anterior cerebral artery and the anterior communicating artery in the circle of Willis. They are the most common cause of nontraumatic subarachnoid hemorrhage.
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[@doctorbhanuprakash]

📌 𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:- instagram.com/drgbhanuprakash
📌𝗝𝗼𝗶𝗻 𝗢𝘂𝗿 𝗧𝗲𝗹𝗲𝗴𝗿𝗮𝗺 𝗖𝗵𝗮𝗻𝗻𝗲𝗹 𝗛𝗲𝗿𝗲:- t.me/bhanuprakashdr
📌𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗧𝗼 𝗠𝘆 𝗠𝗮𝗶𝗹𝗶𝗻𝗴 𝗟𝗶𝘀𝘁:- linktr.ee/DrGBhanuprakash

[@drsubhashini5447]

😊

[@yakubibrahimabdul2999]

I must admit that i achieve maximal benefit in UA-cam through this channel. I am currently preparing for my MBBS3 first professional exams and the animation videos coming from anatomy and physiology by you is all helpful 100% for me. Thank you very much for everything.

[@doctorbhanuprakash]

That's great to hear ... have a great career ahead...

[@doctorbhanuprakash]

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[@doctorbhanuprakash]

tysm

[@jhessycapedrososalles3705]

Muito boa a aula! Que Deus continue te abençoando e que Nossa Senhora te cubra com Seu Manto Sagrado e também à tua família e ao teu trabalho! Abraço da medicina.
SP, 2023

[@weenadeleon601]

Thanks!

[@yashvaghani1010]

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[@doctorbhanuprakash]

Tysm

[@saniyamalik6107]

I literally got crystral clear understanding of brain circulation now.. thank you ! 🙂

[@doctorbhanuprakash]

Tysm

[@zahidamunawar3654]

Such an amazingly simple anatomy described , Thanks a lot

[@doctorbhanuprakash]

Glad you liked it

[@mayurbandrad5866]

Please sir upload the remaining topics of neuroanatomy sir please.... Your videos are really helpful...

[@judyndungu3338]

the best

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That's the best explanation I've seen so far

[@doctorbhanuprakash]

tysm

[@ganapathishanthi5696]

Madam your voice is so confident and clear
No hurry, so patiently but at the same time very understandable. Thank you & like to hear more madam

[@user-pc7hp3fr8v]

AI

[@rida3209]

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[@doctorbhanuprakash]

Ur most welcome

[@drpubggamer8943]

Sir please make one video free lecture on mcqs of head an neck n nuronatomy please please

[@knraoneurosurgery]

wonderful demonstration of anatomy
interesting to know how you are able to make these animations
what technical help you are getting ?

[@doctorbhanuprakash]

we have team of 100 plus employees in my company

[@hanmanxiao5199]

this is so educative.. can you help us by uploading a video on central cord syndrome

[@doctorbhanuprakash]

Sure

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[@duocphamtruongtho4462]

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[@doctorbhanuprakash]

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[@M.Yasir_Amin]

Please subtitle Indonesia