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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 .
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. A fourth, the peritoneum, is the serous membrane in the abdominal cavity that covers abdominal organs and forms double sheets of mesenteries that suspend many of the ...
The resulting alkaline fluid mix neutralises the gastric acid which would damage the lining of the intestine. The mucus component lubricates the walls of the intestine. Layers of the small intestine. When the digested food particles are reduced enough in size and composition, they can be absorbed by the intestinal wall and carried to the ...
Here are some of the most common reasons for mucus in stool, ranging from a mild stomach virus to chronic conditions such as to irritable bowel syndrome (IBS). You may have a food intolerance.
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.
This affects treatment and prognosis. The normal thickness of the small intestinal wall is 3–5 mm, [ 6 ] and 1–5 mm in the large intestine. [ 7 ] Focal, irregular and asymmetrical gastrointestinal wall thickening suggests a malignancy. [ 7 ]
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 ...
For instance, mucosa in the stomach protects it from stomach acid, [2]: 384, 797 and mucosa lining the bladder protects the underlying tissue from urine. [8] In the uterus, the mucous membrane is called the endometrium, and it swells each month and is then eliminated during menstruation. [2]: 1019