Mucosal pharyngeal space

The pharyngeal mucosal space (PMS) lies just lateral and posterior to the nasopharynx and oropharynx.

Boundaries:

• Middle layer of the deep cervical fascia posteriorly and laterally.

• Cricoid cartilage inferiorly

• Base of skull superiorly

Relations:

• Retropharyngeal space posteriorly

• Parapharyngea] space laterally

Contents:

• Pharyngeal mucosa

• Lymphoid tissue of Waldeyer's ring(tonsils and adenoids)

• Minor salivary glands

• Superior and middle pharyngeal constrictor muscles