The inner layer covers organs in bodily cavities and is called the visceral membrane; this inner layer of epithelial cells is followed by a connective tissue; after the connective tissue is the second layer of epithelial cells of the serous membrane called the parietal layer.
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Actual mucus-secreting cells are scattered among other cells of many mucous membranes, particularly in the intestines and the upper part of the respiratory tract. They are known as ‘goblet cells’ because of the shape of the globule of mucus which may be seen under the microscope inside the cells or discharging through a disrupted cell membrane.
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Nose, the prominent structure between the eyes that serves as the entrance to the respiratory tract and contains the olfactory organ. It provides air for respiration, serves the sense of smell, conditions the air by filtering, warming, and moistening it, and cleans itself of foreign debris extracted from inhalations.
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1 The nose has two cavities, separated from one another by a wall of cartilage called the septum. The external openings are known as nares or nostrils. 2  The shape of the nasal cavity is complex. The forward section, within and above each nostril, is called the vestibule.
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1 The nose has two cavities, separated from one another by a wall of cartilage called the septum. 2  The shape of the nasal cavity is complex. 3  In the olfactory (smelling) portion of the nose, most of the lining is mucous membrane. A small segment of the lining contains the nerve cells that are the actual sensory organs. Fibres, called dendrites, which project from the nerve cells into the nasal cavity, are covered only by a thin layer of moisture.
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The rest of the cavity is the respiratory portion. The respiratory area is lined with a moist mucous membrane with fine hairlike projections known as cilia, which serve to collect debris. Mucus from cells in the membrane wall also helps to trap particles of dust, carbon, soot, and bacteria. Sinus cavities are located in the bony skull on both sides of the nose. In the olfactory (smelling) portion of the nose, most of the lining is mucous membrane. A small segment of the lining contains the nerve cells that are the actual sensory organs. Fibres, called dendrites, which project from the nerve cells into the nasal cavity, are covered only by a thin layer of moisture.
https://www.britannica.com/science/nose
mucous membranes are the moist linings of the orifices and internal parts of the body that are in continuity with the external surface. They cover, protect, and provide secretory and absorptive functions in the channels and extended pockets of the outside world that are incorporated in the body.
http://www.encyclopedia.com/plants-and-animals/zoology-and-veterinary-medicine/zoology-general/mucous-membrane
mucous membrane Sheet of tissue (or epithelium) lining all body channels that communicate with the air, such as the mouth and respiratory tract, the digestive and urogenital tracts, and the various glands that secrete mucus, which lubricates and protects tissues.
http://www.encyclopedia.com/plants-and-animals/zoology-and-veterinary-medicine/zoology-general/mucous-membrane
Serous membranes are a mesothelial tissue that lines certain internal cavities of the body, forming a smooth, transparent, two-layered membrane lubricated by a fluid derived from serum. The peritoneum, pericardium, and pleura are serous membranes....
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Serous membranes are a mesothelial tissue that lines certain internal cavities of the body, forming a smooth, transparent, two-layered membrane lubricated by a fluid derived from serum. The peritoneum, pericardium, and pleura are serous membranes. In anatomy, serous membrane (or serosa) is a smooth membrane consisting of two layers of epithelial cells (as membranes), which secrete serous fluid.
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what is the structure and function of mucous membranes?
Mucous membranes are the moist linings of the orifices and internal parts of the body that are in continuity with the external surface. They cover, protect and provide secretory and absorptive functions in the channels and extended pockets of the outside world that are incorporated in the body. Mucous membranes are the moist linings of the orifices and internal parts of the body that are in continuity with the external surface. They cover, protect, and provide secretory and absorptive functions in the channels and extended pockets of the outside world that are incorporated in the body.