The pharynx is a muscular tube that connects the nasal and oral cavities to the larynx and esophagus. It plays a role in both respiratory and digestive systems by facilitating the passage of air and food.
5 Must Know Facts For Your Next Test
The pharynx is divided into three regions: nasopharynx, oropharynx, and laryngopharynx.
It contains lymphatic tissue such as the tonsils, which are part of the immune system.
The pharynx is lined with mucous membranes that trap pathogens entering through inhalation or ingestion.
Normal microbiota in the pharynx helps protect against infections by outcompeting harmful microbes.
Helminthic infections can occur in the pharynx, although they are more common in other parts of the gastrointestinal tract.