Question

The lamina propria functions as a secondary lymphoid structure associated with which body system?

Options

• The endocrine system

• The mucosal linings of the digestive tract

• The skeletal system

• The cardiovascular system

Answer 1

The lamina propria is a secondary lymphoid tissue layer found in the mucosal lining of the gastrointestinal tract. It contains lymphocytes and is part of GALT (Gut-Associated Lymphoid Tissue), serving as an important site for immune surveillance and response against antigens encountered in the digestive tract.