which of following processes is the function of the smooth muscle layer of the digestive system
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A&pii Chpt.24 Digestive Which of the following processes is the function of the smooth muscle layer of the digestive system. mixing and propulsion. Which of the following processes is the primary function of the mouth. ingestion. Which of the following processes is the primary function of the villi of the small intestine. absorption.
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- Between the inner circular and outer longitudinal layers of smooth muscle is another critical component of the digestive tract's nervous system-the myenteric plexus. Tunica submucosa lies immediately beneath the mucosa, and is a layer of loose to dense connective tissue containing blood and lymphatic vessels.The submucosa also contains the submucous plexus, a critical component of the digestive tract's nervous system which provides nervous control to the mucosa.n most of the digestive tract (stomach and intestines) it consists of a thin layer of loose connective tissue covered by mesothelium (a type of squamous epithelium that lines body cavities); within the peritoneal cavity, this structure is also referred to as visceral peritoneum.
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Structure of the Digestive Tract Wall 1 The muscularis (muscularis externa) is a layer of muscle. In the mouth and pharynx, it consists of skeletal muscle that aids in swallowing. 2  The serosa is a serous membrane that covers the muscularis externa of the digestive tract in the peritoneal cavity. The following is a description of the various types of serosae associated with the digestive system: The adventitia is the serous membrane that lines the muscularis externa of the oral cavity, pharynx, esophagus, and rectum. The visceral peritoneum is the serous membrane that lines the stomach, large intestine, and small intestine.
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- Both parasympathetic and sympathetic divisions of the autonomic nervous system control digestion by contacting the enteric nervous system in the wall of the digestive tract. The parasympathetic division typically stimulates digestion while the sympathetic division typically inhibits it.
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- 1 The muscularis layer in the wall of the digestive tract is: 2  Skeletal muscle throughout the tract, especially in the lg. intestine. 3  The layer of the digestive tract wall that contains capillaries.
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Structure of the Digestive Tract Wall The smooth muscle is responsible for. movement of food by peristalsis and mechanical digestion by segmentation. In some. regions, the circular layer of smooth muscle enlarges to form sphincters, circular. muscles that control the opening and closing of the lumen (such as between the. stomach and small intestine).
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Brush border In the small intestine, the brush borders of the intestinal lining are the site of terminal carbohydrate digestions. The microvilli that constitute the brush border ha … ve enzymes for this final part of digestion anchored into their apical plasma membrane as integral membrane proteins. These enzymes are found near to the transporters that will then allow absorption of the digested nutrients.
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- Describe how food is moved through the length of the alimentary canal (b below) and name the layer responsible for these actions. a. Mixing – mechanical digestion in mouth and stomach b. Peristalsis – interaction between circular and longitudinal layers which move food through the alimentary canal 12.escribe how food is moved through the length of the alimentary canal (b below) and name the layer responsible for these actions. a. Mixing – mechanical digestion in mouth and stomach b. Peristalsis – interaction between circular and longitudinal layers which move food through the alimentary canal 12.
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Digestive System: Histology of the Alimentary Canal The mucosa (also known as mucus membrane) is the innermost layer of tissue. It’s a moist epithilial membrane that lines the alimentary canal lumen from mouth to the anus. The mucosa has three major functions: 1  Secrete mucus, digestive enzymes, and hormones. 2  Absorb the end products of digestion into the blood.3  Protect against infectious disease.he basic structure of the alimentary canal, including its four basic layers. In certain regions of the alimentary canal, the mucosa may perform one or all three of these functions. Digestive mucosa is made up of three sublayers: (1) a lining epithelium, (2) a lamina propria, and (3) a musclularis mucosae.
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- The mucous membrane-and smooth muscle-lined tube of the digestive system through which food passes, in which digestion takes place, and from which wastes are eliminated; it extends from the mouth to the anus and includes the pharynx, esophagus, stomach, and small and large intestines. aka-digestive tract, gut tube.he process by which food is converted into nutrient molecules which can be absorbed and assimilated by the body; it is accomplished in the digestive system by the mechanical and enzymatic breakdown of foods into simpler chemical compounds.
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Oral: Four layers of the G.I. tract Muscularis propria (externa): smooth muscle layer. There are usually two layers; the inner layer is circular, and the outer layer is longitudinal. These layers of smooth muscle are used for peristalsis (rhythmic waves of contraction), to move food down through the gut.
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Structure of the Digestive Tract Wall The muscularis (muscularis externa) is a layer of muscle. In the mouth and pharynx, it consists of skeletal muscle that aids in swallowing. In the rest of the digestive tract, it consists of smooth muscle (three layers in the stomach, two layers in the small and large intestines) and associated nerve fibers.
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Digestive 60) Select the correct statement about digestive processes. A) Enterogastrone is a hormone that helps increase gastric motility. B) Pepsin is an enzyme produced by the stomach for the purpose of starch digestion. C) Chyme entering the duodenum can decrease gastric motility via the enterogastric reflex.) From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen. A) muscularis externa, serosa, mucosa, and submucosa.
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What term describes a series a wavelike contractions of the smooth muscles in a single direction? The wavelike contractions of the smooth muscle in the gastrointestinal system are called peristalsis. The purpose of peristalsis is to push boluses of food along the gastrointestinal tract. This is achieved by the waves of contractions in the smooth muscle followed by relaxation of the muscles, pushing the bolus (ball of food) a bit further along the digestive tract with each contraction. These contractions move food or chyme through the esophagus, and intestines.
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Gastrointestinal physiology The GI tract is composed of the alimentary canal, that runs from the mouth to the anus, as well as the associated glands, chemicals, hormones, and enzymes that assist in digestion.The major processes that occur in the GI tract are: motility, secretion, regulation, digestion and circulation.
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Shared Flashcard Set The muscularis layer in the wall of the digestive tract is. Definition. composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers. composed of a layer of circular smooth muscle fibers and a layer of longitudinal smooth muscle fibers.
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- In the mouth, stomach, and small intestine, the mucosa contains tiny glands that produce juices to help digest food. The digestive tract also contains a layer of smooth muscle that helps break down food and move it along the tract.
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The Digestive System The digestive system is a tube through which food passes from the mouth where food is ingested to the anus where it is egested. It consists of a series of organs, each with a distinct structure and function. During the digestive transit food is broken down into substances suitable for absorption into the bloodstream.The gut wall has the same basic structure along its length. There are three main layers: 1  An outer, muscular layer. 2  Circular and longitudinal layers of smooth muscles are present.t consists of a series of organs, each with a distinct structure and function. During the digestive transit food is broken down into substances suitable for absorption into the bloodstream. The gut wall has the same basic structure along its length. There are three main layers: 1  An outer, muscular layer.
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What is Digestion? - Definition & Process Digestion Process Overview. Food enters the mouth and passes to the anus through the hollow organs of the GI tract. Digestion happens when food moves through the GI tract. Muscles in the hollow organs contract and relax, moving like a wave that travels through the ocean.This moves food along.olid organs of the digestive system are the liver, pancreas, and gallbladder. However, the hollow and solid organs are not alone in the process of digesting food. There are other areas of the body that assist with digestion. They include bacteria in the GI tract and parts of the nervous and circulatory systems.
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Digestive System The digestive system uses 3 main processes to move and mix food: 1  Swallowing. 2  Swallowing is the process of using smooth and skeletal muscles in the mouth, tongue, and pharynx to push food out of the mouth, through the pharynx, and into the esophagus.3  Peristalsis.he digestive system uses 3 main processes to move and mix food: 1  Swallowing. 2  Swallowing is the process of using smooth and skeletal muscles in the mouth, tongue, and pharynx to push food out of the mouth, through the pharynx, and into the esophagus. 3  Peristalsis.
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What muscles help digestion? Your intestines contain a medial layer of smooth muscle. When the smooth muscle in your intestines is innervated this causes contractions of those smooth muscles. This action then propels food through the intestines. This is called peristalsis.So, as far as I know there are no other muscle groups that aide in digestions.our intestines contain a medial layer of smooth muscle. When the smooth muscle in your intestines is innervated this causes contractions of those smooth muscles. This action then propels food through the intestines. This is called peristalsis.
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Structure of digestive tract Describe the muscularis mucosa of the mucosa. thin layer of smooth muscle - causes folds in the mucous membrane → increasing surface area for digestion and absorption. mucous secreted by the mucous membrane acts as a lubricant and protects the tract from.. digestive enzymes which are released for increased digestion.
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Exercise 34: Digestive System Structure and Function is composed of 2 layers in all GI tract organs except the stomach: an inner layer of circular smooth muscle and an outer layer of longitudinal smooth muscle. Serosa. the superficial layer of the GI tract organs; the visceral layer of the peritoneum.
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interface device (IDF) The Extensible Markup Language (XML) is designed to allow Web or other content to be created independently of the type of interface device that may be used. An individual style sheet designed for specific interface device types can be created using the Extensible Stylesheet Language (XSL).
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Shared Flashcard Set They are both a type of mechanical digestion that is involved in the gastrointestinal tract. Peristalsis is the slow and gradual movement of food through the digestive system. The food is crushed and propelled in one direction as smooth muscle contracts and forces the food along the gastrointestinal tract.