Mucosa

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Mucosa (mew-co-sa)

The Mucosa or mucous membrane is a type of tissue that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. It is often associated with secretory glands that are either directly or indirectly linked to it.

Etymology

The term "mucosa" is derived from the Latin word "mucus," which means "slime" or "slippery secretion." This is in reference to the thick, viscous secretions that are often produced by mucosal tissues.

Function

The primary function of the mucosa is to provide a barrier against the external environment. This includes protection from mechanical damage, chemical damage, and infection. In addition, the mucosa also serves as a site for absorption and secretion.

Types of Mucosa

There are several types of mucosa in the human body, including:

Related Terms

  • Mucosal Immunity: This refers to the immune response that occurs in the mucosa. It is a critical component of the body's overall immune defense.
  • Mucositis: This is a condition characterized by inflammation and damage to the mucosa, often as a side effect of cancer treatment.
  • Mucus: This is the thick, viscacious secretion produced by the mucosa.

External links

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