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5 ημέρες πριν · The spinal nerve extends from the inferior end of the brain stem and passes through the foramen magnum of the skull into the neck. In the neck, the spinal cord passes through the vertebral foramen of the cervical vertebrae, which surround and protect its delicate nervous tissue.
18 Οκτ 2023 · From the outside, the neck is divided into triangles, each one containing specific muscles, vessels, and nerves. In turn, however, the neck also has an internal division in the form of compartments, which are delimited by various layers of cervical fascia.
30 Οκτ 2023 · The most important arteries and nerves of the head and neck are the following: Internal and external carotid arteries; Vertebral arteries; Thyrocervical trunk; Cranial nerves; Cervical plexus; Head and cervical lymph nodes; In this page, we’re going to study each of the above structures together with their respective branches.
26 Σεπ 2022 · The occipital nerves consist of three nerves that travel along the back of the neck and sides and the back of the scalp. Their primary role is to provide sensation to the skin in these areas. Occipital neuralgia, migraines, and cervicogenic headaches are all associated with the occipital nerves.
The cervical plexus is a network of nerves which forms from the anterior rami of C1-C4 within the prevertebral fascia in the posterior triangle of the neck. Its branches can loosely be described as sensory of motor components. Note that the plexus is found bilaterally.
5 ημέρες πριν · The neck muscles, including the sternocleidomastoid and the trapezius, are responsible for the gross motor movement in the muscular system of the head and neck. They move the head in every direction, pulling the skull and jaw towards the shoulders, spine, and scapula.
30 Οκτ 2023 · Nerves of the head. Since the head is such a ‘vast’ anatomical region, it’s innervation is quite extensive. For the purposes of this page, we’ll only talk about the relevant nerves for the previously mentioned anatomical structures. The nerves in the head originate from three main sources: Trigeminal nerve (CN V) Facial nerve (CN VII)
