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Diagram illustrating the course of the medial calcaneal nerve, originating within the tarsal tunnel behind the medial malleolus.

Calcaneal Nerve (Medial)

Illustration of the structure of the circle of Willis, depicting the arterial connections in the brain.

Circle of Willis

Diagram illustrating the origin of the circumflex scapular artery from the subscapular axis.

Circumflex Scapular Artery

Superior view of the pelvic floor with emphasis on the prerectal fibers of the puborectalis muscle.

Coccygeus

Illustration of the coracobrachialis, biceps brachii, and brachialis muscles in the anterior upper arm.

Coracobrachialis

Illustration of the two orbital muscles of facial expression: Orbicularis Oculi and Corrugator Supercilii.

Corrugator Supercilii

Illustration of the cricothyroid muscles highlighted in red.

Cricothyroid

Illustration of the arterial supply to the gallbladder, highlighting the cystic artery.

Cystic Artery

Popular

The Gastrointestinal Tract

The Colon

by Dominic Aubrey-Jones

Illustration of the obturator canal, showing the obturator membrane within the obturator foramen of the pelvis.
Encyclopaedia

Obturator Artery

by Charlotte Eeckelers

Illustration of the quadratus lumborum muscle in the posterior abdominal wall.
Encyclopaedia

Quadratus Lumborum

by Aren Mnatzakanian