Pharynx

Definition

The pharynx is a muscular tube that serves as a passageway for both air and food. It connects the nasal and oral cavities to the esophagus and larynx.

5 Must Know Facts For Your Next Test

1. The pharynx plays a crucial role in respiration by allowing the passage of air from the nose to the lungs.
2. It is divided into three regions: nasopharynx, oropharynx, and laryngopharynx.
3. Proper nutrition can impact pharyngeal function, which is critical for both swallowing and breathing.
4. Pharyngeal dysfunction can lead to complications such as aspiration, which can severely affect pulmonary health.
5. Hydration and specific nutrients like omega-3 fatty acids can help maintain healthy mucosal lining in the pharynx.

Review Questions

• What are the three regions of the pharynx?
• How does proper nutrition impact the function of the pharynx?
• Why is it important to maintain hydration for pharyngeal health?

Related terms

Esophagus:

The muscular tube connecting the throat (pharynx) with the stomach, playing a key role in digestion.

Larynx: Also known as the voice box, it is located just below the pharynx and is essential for breathing, speaking, and protecting the trachea against food aspiration.

Aspiration:

The entry of food or liquid into the airway below the level of true vocal cords, which can lead to serious pulmonary complications.