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mucous membrane
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Epithelial mucous surface cells (A) extend into the gastric pits (B) of the mucosal lining in the lumen of the stomach (C, gastric glands; D, muscularis mucosa of the stomach). mucus celiac disease Diagram of the human stomach showing its external regions and internal layers, with a detailed cross-section highlighting the mucosa, submucosa, muscularis, and serosa, plus insets labeling stomach regions and microscopic histology.
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Epithelial mucous surface cells (A) extend into the gastric pits (B) of the mucosal lining in the lumen of the stomach (C, gastric glands; D, muscularis mucosa of the stomach).
Epithelial mucous surface cells (A) extend into the gastric pits (B) of the mucosal lining in the lumen of the stomach (C, gastric glands; D, muscularis mucosa of the stomach).

mucous membrane

anatomy
Also known as: mucosa
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History

mucous membrane, membrane lining body cavities and canals that lead to the outside, chiefly the respiratory, digestive, and urogenital tracts. Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and the ureters, urethra, and urinary bladder. Mucous membranes vary in structure, but they all have a surface layer of epithelial cells over a deeper layer of connective tissue. Usually, the epithelial layer...

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