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  2. Serous fluid - Wikipedia

    en.wikipedia.org/wiki/Serous_fluid

    Serous fluid may also originate from mixed glands, which contain both mucous and serous cells. A common trait of serous fluids is their role in assisting digestion , excretion , and respiration . In medical fields, especially cytopathology , serous fluid is a synonym for effusion fluids from various body cavities .

  3. Serous membrane - Wikipedia

    en.wikipedia.org/wiki/Serous_membrane

    Each serous membrane is composed of a secretory epithelial layer and a connective tissue layer underneath. The epithelial layer, known as mesothelium, consists of a single layer of avascular flat nucleated cells (simple squamous epithelium) which produce the lubricating serous fluid. This fluid has a consistency similar to thin mucus. These ...

  4. Tissue membrane - Wikipedia

    en.wikipedia.org/wiki/Tissue_membrane

    Serous fluid secreted by the cells of the thin squamous mesothelium lubricates the membrane and reduces abrasion and friction between organs. Serous membranes are identified according locations. Three serous membranes line the thoracic cavity; the two pleura that cover the lungs and the pericardium that covers the heart.

  5. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    The gastrointestinal wall of the gastrointestinal tract is made up of four layers of specialised tissue. From the inner cavity of the gut (the lumen) outwards, these are the mucosa, the submucosa, the muscular layer and the serosa or adventitia.

  6. Mucus - Wikipedia

    en.wikipedia.org/wiki/Mucus

    Mucous cells of the stomach lining secrete mucus (pink) into the lumen. Mucus (/ ˈ m j uː k ə s /, MEW-kəs) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells.

  7. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    All of these glands terminate in the mouth. The largest of these are the parotid glands—their secretion is mainly serous. The next pair are underneath the jaw, the submandibular glands, these produce both serous fluid and mucus. The serous fluid is produced by serous glands in these salivary glands which also produce lingual lipase. They ...

  8. Gastric glands - Wikipedia

    en.wikipedia.org/wiki/Gastric_glands

    These are mucous neck cells that produce a different kind of mucus. There are two types of gastric gland, the exocrine oxyntic gland, and the endocrine pyloric gland. The major type of gastric gland is the oxyntic gland that is present in the fundus and the body of the stomach making up about 80 per cent of the stomach area.

  9. Mucous membrane - Wikipedia

    en.wikipedia.org/wiki/Mucous_membrane

    A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue.