region of body above the neck
joints: sutures, temporomandibular joint, joints of the ossicles
muscles: extraocular muscles, facial muscles, auricular muscles, muscles of mastication, muscles of the middle ear, muscles of the tongue, muscles of the soft palate, muscles of the pharynx
viscera: brain, cranial nerves, olfactory system, gustatory system, pituitary gland, mouth and oral cavity, ****nasal cavity, paranasal sinuses, pharynx
region of body between head and thorax
bones: cervical vertebrae, hyoid bone
joints: atlanto-occipital joint, atlantoaxial joint, facet joints, uncovertebral joints
muscles: platysma, sternocleidomastoid, muscles of the pharynx, muscles of the larynx, suprahyoid muscles, infrahyoid muscles, scalene muscles, suboccipital muscles
viscera: pharynx, larynx, trachea, esophagus, thyroid gland, parathyroid glands, cervical spinal cord, cervical lymph nodes
arteries: common carotid artery, vertebral artery, thyrocervical trunk
veins: internal jugular vein, external jugular vein