Many of the muscles of the neck are named for their sites of origin and insertion. Beginning at the sternum locate the first of these muscles, the sternomastoid which begins at the sternum and ends at the mastoid process of the temporal bone. This muscle is homologous to the sternocleidomastoid of humans which originates on both the sternum and the clavicle.
Moving toward the head from the sternomastoid find the sternohyoid, then the mylohyoid, and finally the digastric. Lateral to the digastric is the primary muscle for chewing, the masseter. Lateral and caudal to the masseter find the submandibular and parotid salivary glands. You may also see lymph nodes in this region.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.