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Some salivary glands produce both mucous and serous secretions, and these are called "mixed" glands. -Pasqualino P.
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What are the functions of Submandibular gland?
Functions: the mucous cells of the gland are most active so it mainly produces saliva, about 70% made in the body. specifically, the serous cells produce amylase, which breaks down starches. also, the mucous cells produced help lubricate the throat. Source: http://en.wikipedia.org/wiki/Submandibular_gland
Diff between mucous glands and serous glands?
Serous membranes ooze their materials to an interior surface, such as in the chest cavity. The watery fluid will eventually be reabsorbed back into the blood but it serves to lubricate the surface. There are three of these membranes, each consisting of simple epithelium supported by loose connective tissue: the pleura, the peritoneum, and the pericardium.A mucous membrane has mucus secreting cells in it (often called goblet cells) - and mucous is formed from complex chains of proteins and sugars that create a sticky mass (usually clear). These membranes line surfaces that are in potential contact with the environment. Foreign material will stick to the mucous- it is an effective and important defense barrier. Mucous membranes can be found lining the digestive, respiratory, reproductive, and urinary tracts. The epithelial surfaces are kept moist at all times.
What best describes a mucous cell?
Mucous cells are cells which secrete mucous. They are usually found in mucous membranes. Mucous is a slippery product made from glycoproteins and water.
What is the difference between mucus gland and poison gland?
The poisonous gland is larger than the mucus gland and provides protection and defenses for the body. The mucous gland is smaller than the poisonous gland and its function is to provide moisture for the skin.
The thyroid gland is unique because it stores the hormones it produces true or false?
True
Do mucous cells and serous cells stain the same?
Basically, no. Assuming a standard H&E stain, Serous cells will stain darker, and appear much more granular as their secretions contain large quantities of enzymes (namely Lysozome), hence you will also find the serous cells also contain large quantities or Rough ER, required for protein (enzyme) manufacture. Mucous cells secrete mucin, which has a large water carrying ability, and so you will find mucous cells (such as goblet cells, or mucous cells of the sublingual gland) stain much clearer in comparison to serous cells. A good histological comparison of these different cell types can be made by looking up a couple of the salivary glands. A parotid gland, which will have large numbers of serous cells (heavily stained), and also a few adipocytes dotted about the place (these will be stained VERY clear). A sublingual gland will have large numbers of mucous cells, and just a few serous cells dotted about the place. If you then look at a submandubular gland, this would be good for comparison, once you've got the hang of what the different cells types look like, as this gland has a fairly even mix of serous and mucous cells. If you don't have access to a microscope and prepared stained sections, then there's plenty of images on the web, or in Histology text books. Hope this helps. Will UK Medical Student
What about the salivary glands?
Each salivary gland is composed of 2 types of cells: a. mucous cells secretes mucus and b.serous cells secretes a watery substance, serous fluid.
What are the functions of Submandibular gland?
Functions: the mucous cells of the gland are most active so it mainly produces saliva, about 70% made in the body. specifically, the serous cells produce amylase, which breaks down starches. also, the mucous cells produced help lubricate the throat. Source: http://en.wikipedia.org/wiki/Submandibular_gland
What does the esophageal gland secrete?
Lysozyme and mucous
Is the sublingual gland is also know as the mixed glands?
NO. sublingual gland is mucous salivary exocrine gland.
Which of the salivary glands produces a secretion that is mainly serous?
Parotid Gland
Diff between mucous glands and serous glands?
Serous membranes ooze their materials to an interior surface, such as in the chest cavity. The watery fluid will eventually be reabsorbed back into the blood but it serves to lubricate the surface. There are three of these membranes, each consisting of simple epithelium supported by loose connective tissue: the pleura, the peritoneum, and the pericardium.A mucous membrane has mucus secreting cells in it (often called goblet cells) - and mucous is formed from complex chains of proteins and sugars that create a sticky mass (usually clear). These membranes line surfaces that are in potential contact with the environment. Foreign material will stick to the mucous- it is an effective and important defense barrier. Mucous membranes can be found lining the digestive, respiratory, reproductive, and urinary tracts. The epithelial surfaces are kept moist at all times.
What best describes a mucous cell?
Mucous cells are cells which secrete mucous. They are usually found in mucous membranes. Mucous is a slippery product made from glycoproteins and water.
Which salivary gland produces a serous secretion containing large amounts of salivary amylase?
Parotid Gland
What is the difference between mucus gland and poison gland?
The poisonous gland is larger than the mucus gland and provides protection and defenses for the body. The mucous gland is smaller than the poisonous gland and its function is to provide moisture for the skin.
How does Cystic Fibrosis manifest?
Mechanical obstruction caused by increased viscosity of mucous gland secretions
What gland is found in the membrane that lines body cavities?
The glands that are found in membranes that line internal body cavities are serous glands.
