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  2. Submucosa - Wikipedia

    en.wikipedia.org/wiki/Submucosa

    The submucosa (or tela submucosa) is a thin layer of tissue in various organs of the gastrointestinal, respiratory, and genitourinary tracts. It is the layer of dense irregular connective tissue that supports the mucosa (mucous membrane) and joins it to the muscular layer, the bulk of overlying smooth muscle (fibers running circularly within layer of longitudinal muscle).

  3. Submucosal glands - Wikipedia

    en.wikipedia.org/wiki/Submucosal_glands

    The submucosa is the tissue that connects the mucosa to the muscle outside the tube. The glands themselves are quite complex. The mucus factory is at the bottom, in the submucosa, it is composed of many little sacs (acini) where the mucus originates. Each sac (acinus) has one end that can open and close (dilate) to allow the mucus out.

  4. Small intestine cancer - Wikipedia

    en.wikipedia.org/wiki/Small_intestine_cancer

    It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer. [ 1 ] [ 2 ] Small intestine cancer can be subdivided into duodenal cancer (the first part of the small intestine) and cancer of the jejunum and ileum (the latter two parts of the small intestine).

  5. Lamina propria - Wikipedia

    en.wikipedia.org/wiki/Lamina_propria

    Progression of epithelial cancer often relies on deep and regional lymph node invasion. [12] The lamina propria, being one of the barriers to the submucosa, is an area where epithelial cancer invasion is of significance since lymphatic invasion is an independent predictor of lymph node metastasis , especially in gastric cancer . [ 13 ]

  6. Salivary gland - Wikipedia

    en.wikipedia.org/wiki/Salivary_gland

    Around 800 to 1,000 minor salivary glands are located throughout the oral cavity within the submucosa [12] of the oral mucosa in the tissue of the buccal, labial, and lingual mucosa, the soft palate, the lateral parts of the hard palate, and the floor of the mouth or between muscle fibers of the tongue. [13]

  7. Oral submucous fibrosis - Wikipedia

    en.wikipedia.org/wiki/Oral_submucous_fibrosis

    Oral submucous fibrosis (OSF) is a chronic, complex, premalignant (1% transformation risk) condition of the oral cavity, characterized by juxta-epithelial inflammatory reaction and progressive fibrosis of the submucosal tissues (the lamina propria and deeper connective tissues).

  8. Zenker's diverticulum - Wikipedia

    en.wikipedia.org/wiki/Zenker's_diverticulum

    While it may be asymptomatic, Zenker diverticulum can present with the following symptoms: Dysphagia (difficulty swallowing), and sense of a lump in the throat; Food might get trapped in the outpouching, leading to: Regurgitation, reappearance of ingested food in the mouth; Cough, due to food regurgitated into the airway

  9. Small-cell carcinoma - Wikipedia

    en.wikipedia.org/wiki/Small-cell_carcinoma

    Small-cell carcinoma of the lung usually presents in the central airways and infiltrates the submucosa leading to narrowing of bronchial airways. Common symptoms include cough, dyspnea, weight loss, and debility. Over 70% of patients with small-cell carcinoma present with metastatic disease; common sites include liver, adrenals, bone, and brain.