HOSA Dental Terminology Practice

What is the primary role of the submucosa?

1. To provide a barrier against pathogens

2. To support the mucous membrane with loose connective tissue

3. To form the hard palate of the mouth

4. To facilitate the movement of dental structures

The correct answer is: To support the mucous membrane with loose connective tissue

The submucosa is primarily composed of loose connective tissue, which serves to support the mucous membrane. This supporting role is crucial because it allows for flexibility and movement of the overlying mucosa, enabling it to accommodate changes such as those that occur during digestion or when speaking. Moreover, the submucosa contains important structures, including blood vessels, nerves, and glands, which provide necessary nutrients and sensory functions to the mucosa. This connective tissue layer effectively anchors the mucous membrane to the underlying structures, contributing to the overall integrity and functioning of the oral cavity and other mucosal surfaces in the body.