Anatomy Of Jaw And Neck

The neck is the thinner portion of the condyloid process that projects from the ramus. Jaws the upper and lower jaws of the oral cavity supporting the teeth and the tongue and providing the openings for the respiratory tract and the digestive tract.

Temporal Muscle Anatomy Function And Innervation Kenhub

The anatomy and physiology of the cervical neck spine is explained and sheds light on why movements of the lower jaw mandible affect neck posture and how neck posture affects lower jaw position.

Anatomy of jaw and neck. The condyloid process is also located at the superior aspect of the ramus and is divided into two parts the neck and the condyle. At the angle of the jaw some of the fibres insert into the bone of the mandible. There are three kinds of tmj anatomy pain.

The condyle is the most superior portion and contributes to the temporomandibular junction by articulating with the articular disk. All the bones of the skull except the lower jaw the mandible are fixed to each other by immovable joints called sutures. Lymph nodes line the cervical spine and neck regions as well as along the face and jaw.

Anatomy of the skull. Anatomy of the jaw in regards to jaw anatomy the major joint in the jaw is the temporomandibular joint tmj which connects the lower jaw to the skull temporal bone under the ear. The lymphatic system drains the head and neck of excess interstitial fluid via lymph vessels or capillaries equally into the right lymphatic duct and the thoracic duct.

Interestingly this is the only bony insertion. The platysma is a large flat cutaneous muscle which stretches from the upper chest all the way to the mid cheek. The tonsils also are lymphatic tissue and help mediate the ingestion of pathogens.

Primary muscle discomfort is not really common but overuse as in chewing gum or in south africa biltong in association with disc malfunction can commonly causes jaw facial and sometimes neck pain as well as headache. It arises from the pectoralis muscle with the fibres ascending upwards. Some physicians associate disorder in this joint with tiny myofascial trigger points or contractions knots in the overworked or traumatized jaw muscles.

Normal Anatomy Of The Jaw This Lateral View Of The Skull