The greater occipital nerve is a spinal nerve arising from the dorsal primary rami of cervical spinal nerve 2, between the first and second cervical vertebrae, along with the lesser occipital nerve.
The greater occipital nerve is a spinal nerve, specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2. This nerve arises from between the first and second cervical vertebrae, along with the lesser occipital nerve.