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The cervical plexus
Nerve network of the ventral rami of the first four cervical spinal nerves C1 to C4. They innervate the back of the head and some neck muscles. Labeled diagram.
© Alila Medical Media
Image size: 25.0 Mpixels (71.5 MB uncompressed) - 5000x5000 pixels (16.7x16.7 in / 42.3x42.3 cm at 300 ppi)