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30 Cards in this Set
- Front
- Back
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taking food into digestive tract
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ingestion
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swallowing and peristalsis
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propulsion
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waves of contraction and relaxation of muscles in organ walls
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peristalsis
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catabolic breakdown of food
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chemical digestion
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movement of nutrients from GI tract to the blood or lymph
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absorption
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elimination of indigested solid wastes
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defecation
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serous membrane of abdominal cavity
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peritoneum
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covers exterman surface of most digestive organs
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visceral
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lines the body wall
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parietal
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what are the functions of the peritoneal cavity?
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lubricates digestive organs, allows them to slide across one another
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organs outside the peritoneum
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retroperitoneal organs
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organs surrounded by the peritoneum
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peritoneal organs
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what are the names of the tunics from the esophaguz to the anal canal?
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mucosa, cubmucosa, mucularis externa, serosa
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what is the mucosa primarily made up of?
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epithelial tissue
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what are the 3 main functions of the mucosa?
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1. secretion of mucus 2. absorption of the end products of digestion 3. protection against infectios disease
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what is the submucosa made up of?
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dense connective tissue
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what does the (5) submucosa contain?
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1 elastic fbers 2 blood 3 lymphatic vessels 4 lymphnodes 5 nerves
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what is the mucularis externa responsible for?
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segmentation and peristalsis
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which tunic is also known as the protective viseral peritoneum?
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serosa
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qhat is the serosa replaced by in the esophagus?
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fibrous adventita
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what are the 3 pairs of extrensic glands
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parotid, submandubular, sublingual
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what is an enzyme that breaks down starch
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amalaze
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what is secreted from the serous and mucos cells of salivary glands?
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saliva
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what does saliva contain?
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mostly water, electrolytes, digestive ensyme (amalyse), proteins, metabolic wastes
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what is the muscular tube going from the laryngopharynx to the stomach?
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esphagus
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where does the esophagus join the stomach?
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cardiac orifice
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what is the esophageal mucosa made of?
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non keritanized stratified squamous epithelium
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glands secrete____ as a bolus moves thry the esophagus
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mucus
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which cells of the stomachsecrete HCL and intrinsic factor?
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parietal cells
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what do the cheif cells produce?
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pepsinogin
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