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  2. Circle of Willis - Wikipedia

    en.wikipedia.org/wiki/Circle_of_Willis

    The circle of Willis (also called Willis' circle, loop of Willis, cerebral arterial circle, and Willis polygon) is a circulatory anastomosis that supplies blood to the brain and surrounding structures in reptiles, birds and mammals, including humans. [1] It is named after Thomas Willis (1621–1675), an English physician. [2]

  3. File:Circle of Willis en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Circle_of_Willis_en.svg

    Better draw (more realistic). Bigger font size. Labels in colors. Added labels: Recurrent artery of Heubner and posteromedial central arteries, Circle of Willis, A1, A2, P1, P2. Correct arising for labyrinthine arteries. Use of layers. 21:24, 17 March 2014: 471 × 750 (12 KB) Rehua: text fix: 22:25, 26 February 2012: 471 × 750 (15 KB) Rehua ...

  4. File:Circle of Willis - MRI, MIP - Anterior projection.png

    en.wikipedia.org/wiki/File:Circle_of_Willis...

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  5. File:Circle of Willis pl.svg - Wikipedia

    en.wikipedia.org/wiki/File:Circle_of_Willis_pl.svg

    This image is a derivative work of the following images: File:Circle_of_Willis_en.svg licensed with PD-self . 2007-01-24T20:31:48Z Rhcastilhos 471x750 (38685 Bytes) {{Information |Description= Schematic representation of the circle of Willis, arteries of the brain and brain stem. |Source=Gray519.png |Date=01/24/2007 |Author=Rhcastilhos |Permission= |other_versions= }}

  6. Magnetic resonance angiography - Wikipedia

    en.wikipedia.org/wiki/Magnetic_resonance_angiography

    Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels. Magnetic resonance angiography is used to generate images of arteries (and less commonly veins) in order to evaluate them for stenosis (abnormal narrowing), occlusions, aneurysms (vessel wall dilatations, at risk of rupture) or other abnormalities.

  7. File:Circle of Willis it.svg - Wikipedia

    en.wikipedia.org/wiki/File:Circle_of_Willis_it.svg

    Better draw (more realistic). Bigger font size. Labels in colors. Added labels: Recurrent artery of Heubner and posteromedial central arteries, Circle of Willis, A1, A2, P1, P2. Correct arising for labyrinthine arteries. Use of layers. 18:52, 13 February 2010: 458 × 745 (217 KB) DaniDF1995: fix: 16:07, 24 March 2008: 458 × 745 (206 KB) Aracuano

  8. File:Circle of Willis pt.svg - Wikipedia

    en.wikipedia.org/wiki/File:Circle_of_Willis_pt.svg

    Better draw (more realistic). Bigger font size. Labels in colors. Added labels: Recurrent artery of Heubner and posteromedial central arteries, Circle of Willis, A1, A2, P1, P2. Correct arising for labyrinthine arteries. Use of layers. 20:33, 24 January 2007: 471 × 750 (39 KB) PbBR8498

  9. Posterior communicating artery - Wikipedia

    en.wikipedia.org/wiki/Posterior_communicating_artery

    In human anatomy, the left and right posterior communicating arteries are small [1]: 471 arteries at the base of the brain that form part of the circle of Willis. Anteriorly, it unites with the internal carotid artery (ICA) (prior to the terminal bifurcation of the ICA into the anterior cerebral artery and middle cerebral artery ); posteriorly ...