Mucosa

Definition

Mucosa is the moist, inner lining of some organs and body cavities, including the digestive system, where it secretes mucus. This layer plays a crucial role in nutrient absorption and protecting the body from infection.

Related terms

Epithelium:

The epithelium is a protective tissue that forms the outer layer of skin and the inner lining of mucous membranes.

Absorption:

In anatomy and physiology, absorption refers to the process by which nutrients from food pass through the mucosal lining of the gut into the bloodstream.

Secretion:

Secretion is the process by which substances are produced and discharged from cells or glands; in the context of mucosa, it often refers to mucus production