Head, neck & neuro · Interactive 3D
Circle of Willis
The arterial circle at the base of the brain — anterior and posterior cerebral arteries, the communicating arteries, the internal carotid and basilar contributions — with the common aneurysm sites.
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Brachial plexus
The brachial plexus from roots to terminal branches: C5–T1 roots, the upper, middle and lower trunks, anterior and posterior divisions, the lateral, posterior and medial cords, and the nerves each gives off.
Open modelWrist cross-section
A transverse section through the distal forearm just above the wrist: radius and ulna, pronator quadratus, the flexor tendons and median nerve on the palmar side and the extensor compartments dorsally.
Open modelInguinal canal & hernia anatomy
The left groin from the front with the abdominal wall opened in layers: the deep inguinal ring, the inguinal ligament with the femoral artery and vein passing beneath it into the thigh, the femoral canal medial to the vein, and the hip bone and femur for orientation.
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