mucosa

(noun)

The membrane where olfactory receptor cells are located.

Related Terms

Examples of mucosa in the following topics:

  • Mucosa

    • The mucosa is the innermost layer, and functions in absorption and secretion.
    • The mucosa is made up of three layers: epithelium, lamina propria, and muscularis mucosae.
    • The mucosae (singular: mucosa) are highly specialized in each organ of the gastrointestinal tract, in order to deal with the different digestive tract conditions.
    • The most variation is seen in the epithelium tissue layer of the mucosa.
    • Describe the structure and function of the mucosa of the GI tract

  • Submucosa

    • From the inside out they are called: mucosa, submucosa, muscularis, and serosa .
    • The submucosa is relatively thick, highly vascular, and serves the mucosa.
    • The absorbed elements that pass through the mucosa are picked up from the blood vessels of the submucosa.
    • The submucosa lies under the mucosa and consists of fibrous connective tissue, separating the mucosa from the next layer, the muscularis externa.
    • Blood vessels, lymphatic vessels, and nerves (all supplying the mucosa) will run through here.

  • Histology of the Small Intestine

    • The small intestine wall has four layers: the outermost serosa, muscularis, submucosa, and innermost mucosa.
    • The small intestine has four tissue layers: the serosa, muscularis, submucosa, and mucosa.
    • The submucosa is the layer of dense irregular connective tissue or loose connective tissue that supports the mucosa, as well as joins the mucosa to the bulk of underlying smooth muscle.
    • The intestinal villi are part of the mucosa.
    • Intestinal villi (singular: villus) are tiny, finger-like projections that protrude from the epithelial lining of the mucosa .

  • Skin and Mucosae (Surface Barriers)

    • In mammals, the skin and mucosae constitute complex protective barriers which guard against infection and injury.
    • In humans, the outer covering of the body consists of the skin and mucosa, which together make up the barrier immune system.
    • The mucous membranes (or mucosae; singular mucosa) are linings of mostly endodermal origin, covered in various types of epithelium, which are involved in absorption and secretion.
    • The mucosae are highly-specialized in each organ to deal with the different conditions.
    • Describe how the skin and mucosae serve as a protective barrier which guards against infection and injury

  • Mucous Membranes

    • In some mucosa. the lamina propria rests on a deeper third layer of smooth muscle.
    • The submucosa is the tissue that connects the mucosa to the muscle outside the tube.

  • Histology of the Liver and Gallbladder

    • Hepatocytes are the main tissue cells of the liver; the gallbladder contains the mucosa, muscularis, perimuscular, and serosa layers.
    • There are several different layers of the gallbladder: the mucosa (epithelium and lamina propria), the muscularis, the perimuscular, and the serosa .
    • The lamina propria is a thin layer of loose connective tissue, which together with the epithelium forms the mucosa.

  • Muscularis

    • From the inside out they are called: mucosa, submucosa, muscularis, and serosa (, ).
    • In the stomach, there is also a thin bit of smooth muscle called the muscularis mucosa.

  • Regulating Immune Tolerance

    • Mucosa are another name for mucous membranes.
    • Mucosal immunity is formed by mucosa-associated lymphoid tissue, or MALT, which functions independently of the systemic immune system; it has its own innate and adaptive components.
    • MALT is a collection of lymphatic tissue that combines with epithelial tissue lining the mucosa throughout the body .
    • Immune tolerance is especially well developed in the mucosa of the upper digestive system because of the tremendous number of foreign substances (such as food proteins) that APCs of the oral cavity, pharynx, and gastrointestinal mucosa encounter.

  • Microscopic Anatomy of the Stomach

    • From the inside to the outside, the first main layer is the mucosa.
    • This consists of an epithelium, the lamina propria underneath, and a thin bit of smooth muscle called the muscularis mucosae.
    • The submucosa lies under this and consists of fibrous connective tissue, separating the mucosa from the next layer, the muscularis externa.

  • Absorption in the Small Intestine

    • The inner wall, or mucosa, of the small intestine is lined with simple columnar epithelial tissue.
    • Structurally, the mucosa is covered in wrinkles or folds called plicae circulares, considered permanent features in the wall of the organ.