The pharynx is the portion of the digestive system posterior to the nasal cavity, oral cavity, and larynx. Learn about the pharynx , a muscular tube that connects the nose, mouth, larynx and esophagus. Find out its regions, functions, attachments, blood supply and innervation. The pharynx is a conducting structure in the neck's midline. It is the primary structure shared by two organ systems, the gastrointestinal tract (GIT) and the respiratory system, in addition to the mouth cavity. It is funnel-shaped, with the top end broader and just below the lower surface of the skull, and the lower end narrower and at the level of the sixth cervical vertebra. The pharynx is a muscular tube that serves as a shared pathway for both the respiratory and digestive systems . It connects the nasal cavity and oral cavity to the larynx and esophagus, facilitating the passage of air, food, and liquids.
