In Mallampati II classification, what anatomical feature is primarily hidden?

In the Mallampati classification system, which is used to assess the airway and predict the difficulty of intubation, the second class, or Mallampati II, is characterized by the visibility of certain anatomical structures. Specifically, in Mallampati II, the soft palate and the uvula are generally visible, but the tonsillar pillars are either partially or not visible at all.

This classification is utilized to evaluate how much of the airway is obscured by the anatomical structures in the oropharynx. When tonsillar pillars are not fully visible, it indicates a potentially more challenging intubation scenario, as the pillars play a role in the anatomy surrounding the airway. By identifying which parts of these structures can be visualized, clinicians can better prepare for airway management during procedures.

In summary, Mallampati II classification indicates that the tonsillar pillars are the anatomical features that are primarily hidden, which can inform the assessment of airway access and intubation strategies.