Mucosa

mucosa /mu·co·sa/ (mu-ko´sah) [L.] mucous membrane.muco´sal

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mu·co·sa (my-ks)

n. pl. mu·co·sas or mu·co·sae (-s)

See mucous membrane.

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mu·cosal adj.

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Mucosa

The mucous membrane, or the thin layer which lines body cavities and passages.

Mentioned in: Gastritis

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mucosa (mūkō´s),

n (mucous membrane), a membrane, composed of epithelium and lamina propria.

mucosa, alveolar,

n the covering on the alveolar process loosely attached to bone that extends from the mucogingival junction to the vestibular epithelium and from the mandible to the sublingual sulcus.

mucosa, lining,

n a primary protective mucous membrane that lines the oral cavity. It covers the movable tissues of the soft palate, labial and buccal mucosa, ventral surface of the tongue, and the floor of the oral cavity. It comprises connective tissue and nonkeratinized stratified squamous epithelium.

mucosa, masticatory,

n a mucosa comprising the connective tissue and keratinized, stratified squamous epithelium within the oral cavity that protects the areas frequently utilized for the chewing of food (e.g., hard palate and gingiva). See also mucosa, oral.

mucosa, nonkeratinized,

n mucosa in which the cells of the stratified squamous epithelium maintain their cytoplasm and nuclei. It is associated with lining mucosa. See also mucosa, oral.

mucosa, oral,

n the mucous membrane lining of the oral cavity, composed of stratified squamous epithelium and the underlying lamina propria.

mucosa, palatine,

n the mucosa covering the palate.

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mucosa

pl. mucosae [L.] mucous membrane.

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mucosa-only rectal tears

a tear in the rectal wall, usually along the length of the rectum, which penetrates only as far as the submucosa and is without clinical effect. Possibly caused by any rectal penetration by a rigid object but observed mostly during manual examination by a veterinarian.