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The lesser occipital nerve (or small occipital nerve [1]) is a cutaneous spinal nerve of the cervical plexus. [2] It arises from second cervical (spinal) nerve (C2) (along with the greater occipital nerve). It innervates the skin of the back of the upper neck and of the scalp posterior to the ear.
The scalp is usually described as having five layers, which can be remembered using the mnemonic 'SCALP': S: Skin. The skin of the scalp contains numerous hair follicles and sebaceous glands. C: Connective tissue. A dense subcutaneous layer of fat and fibrous tissue that lies beneath the skin, containing the nerves and vessels of the scalp.
The cervical plexus has two types of branches: cutaneous and muscular. [3] Cutaneous (4 branches): Lesser occipital nerve - innervates the skin and the scalp posterosuperior to the auricle (C2) Great auricular nerve - innervates skin near concha auricle and external acoustic meatus (C2-C3)
The great auricular nerve is a cutaneous (sensory) nerve of the head. It originates from the second and third cervical (spinal) nerves (C2-C3) of the cervical plexus.It provides sensory innervation to the skin over the parotid gland and the mastoid process, parts of the outer ear, and to the parotid gland and its fascia.
The peripheral nervous system (PNS) is divided into the somatic nervous system, the autonomic nervous system, and the enteric nervous system.However, it is the somatic nervous system, responsible for body movement and the reception of external stimuli, which allows one to understand how cutaneous innervation is made possible by the action of specific sensory fibers located on the skin, as well ...
Scalp psoriasis is an inflammatory and chronic autoimmune disease and is a common cause of scalp scabs and discolored patches of skin on and around the scalp. It can also affect other parts of the ...
The greater occipital nerve is a nerve of the head. It is a spinal nerve, specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2.It arises from between the first and second cervical vertebrae, ascends, and then passes through the semispinalis muscle.
Scalp acne is pretty much your typical acne that occurs on the scalp, says Peterson Pierre, M.D., dermatologist and founder of Pierre Skin Care Institute. “It can have whiteheads, blackheads ...