Term
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Definition
| A hollow tube that runs from the mouth to the anus (oral cavity, esophagus, stomach, small intestine, and large intestine) |
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Definition
| Inner cavity that spans the GI tract |
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Definition
| Physical and chemical breakdown of food |
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Definition
| transfer of nutrients from the digestive tract into the blood or lymphatic circulatory systems |
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Definition
| Process where solid waste (feces) is formed and released from the body |
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Definition
| Act as one way valves, which regulate the flow of the luminal contents from one organ to the next |
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Definition
| consists mainly of epithelial cells and carries out a variety of digestive functions |
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Term
| GI Secretions (Digestive Juices) |
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Definition
| substances released by organs that make up the digestive system that facilitate the process of digestion |
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Definition
| A layer of tissue that lies between the mucosa and muscularis tissue layers |
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Definition
| Layer of tissue in the GI tract that consists of two layers of smooth muscle |
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Definition
| fluid in the lymphatic vessels that is derived from tissue fluids |
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Definition
| connective tissue that encloses the GI tract |
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Definition
| Mixing and propulsive movements of the GI tract caused by contraction and relaxation of the muscularis |
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Definition
| muscular movement in the GI tract that moves the contents back and forth within a small region |
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Definition
| Waves of muscular contractions that move materials in the GI tract in a forward direction |
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Definition
| Substance that coats and protects mucous membranes |
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Definition
| Biological catalysts that facilitate chemical reactions that break chemical bonds by the addition of water, resulting in the breakdown of large molecules into smaller components |
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Definition
| neurons located within the submucosa and muscularis layers of the digestive tract |
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Term
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Definition
| sensory receptor that reacts to chemical stimulus |
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Term
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Definition
| a sensory receptor that responds to pressure, stretching, or mechanical stimulus |
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Definition
| Part of the nervous system made up of the brain and spinal cord |
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Definition
| hormones secreted by the mucosal lining of the GI tract that regulate GI motility and secretion |
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Definition
| response of the central nervous system to sensory stimuli that occurs before food enters the GI tract (increases GI motility and GI secretions) |
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Term
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Definition
| phase of digestion stimulated by the arrival of food into the stomach characterized by increased GI motility and release of GI secretions |
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Term
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Definition
| Phase of digestion when chyme enters |
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