Term
| The walls of the alimentary canal, from the esophagus to the anal canal, have the same four tissue layers. T/F |
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Definition
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| Stomach rugae, which are numerous longitudinal folds of the _____ layer, flatten as the stomach fills. |
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| Intrinsic glands occur within which layer of the alimentary canal wall? |
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Definition
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Definition
| hormone-secreting cells scattered throughout the lining epithelium and glands of the alimentary canal |
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Term
| undifferentiated stem cells |
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Definition
| located throughout the stomach, at the junction of the gastric glands and gastric pits; divide continuously |
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Definition
| absorptive intestinal cells that cover the villi and are specialized for absorbing digested nutrients |
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Definition
| located between the villi; the epithelial cells, which line them, secrete intestinal juice |
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Term
| The duct of the gallbladder is called the |
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Definition
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Term
| conical, pointed, and keratinized filiform |
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Definition
| roughen the tongue and give its surface a whitish appearance. |
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Term
| What are the 2 surfaces of the liver |
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Definition
| diaphragmatic and visceral surfaces |
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Term
| gastroesophageal reflux disease |
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Definition
| a condition that is due to abnormal relaxation or weakness of the cardiac sphincter |
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Term
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Definition
| a condition characterized by a craterlike erosion of the mucosa of any part of the alimentary canal that is exposed to stomach secretions |
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Term
| inflammatory bowel disease |
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Definition
| a condition characterized by chronic leukocyte infiltration of the intestinal wall |
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Definition
| a condition, transmitted via body fluids, which can lead to cirrhosis and liver cancer |
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Term
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Definition
| "ribbons" of the colon or three longitudinal strips, spaced at equal intervals, which are thickenings of the longitudinal layer of the muscularis externa |
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Definition
| tiny, spherical infoldings of the sarcolemma, through which calcium ions enter from the extracellular fluid |
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Definition
| permanent, transverse ridges of the mucosa and submucosa, which are present in the small intestine |
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Definition
| "sacs" that give the colon of the large intestine its classic appearance |
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Definition
| double layers of peritoneum, which hold the digestive organs in place, function as sites of fat storage, and provide a route by which blood vessels and nerves reach the organs in the peritoneal cavity. |
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Definition
| The two vertical lines of the grid that divide the abdominal wall into nine regions |
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Definition
| a key landmark that divides the embryonic gut into three basic regions |
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Definition
| gives rise to the rectum and most of the anal canal |
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Definition
| a depression within which the oral membrane lies |
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Definition
| a depression within which the cloacal membrane lies |
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Definition
| compound tubuloalveolar glands |
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Definition
| a sickle-shaped structure that binds the anterior aspect of the liver to the anterior abdominal wall and diaphragm |
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Term
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Definition
| A double layer of peritoneum; sheet of two serous membranes fused back to back. |
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Term
| What are the component parts of the mucosa of the alimentary canal? |
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Definition
| Epithelium, lamina propria, and muscularis mucosae. |
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Term
| What is different about the muscularis externa of the esophagus, when compared to other regions of the alimentary canal? |
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Definition
| Its superior one-third is composed of skeletal muscle. |
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Term
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Definition
| major means of propulsion of foodstuffs through the alimentary canal, in which adjacent sections alternately contract and relax, moving food distally along the canal. |
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Term
| the entry of calcium into the sarcoplasm stimulates what? |
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Definition
| smooth muscle fiber to contract. |
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Term
| Mechanical digestion is carried out by which structures. |
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Definition
Teeth
Small intestines
Tongue |
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Term
| What is the role of the undifferentiated stem cells located in the bottom of gastric glands throughout the stomach? |
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Definition
| They divide continuously to replace the entire epithelial lining of mucus-secreting cells of the stomach every 3-7 days. |
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Term
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Definition
| Contains mucous and serous secretory cells. |
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Term
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Definition
| A passageway for air and food. |
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Term
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Definition
| Receives digestive enzymes from the pancreas and bile from the gallbladder. |
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Term
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Definition
| Has a modified longitudinal muscularis. |
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Term
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Definition
| Largest gland in the body. |
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Term
| Which event prompts the gallbladder to secrete bile? |
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Definition
| Secretion of the hormone cholecystokinin from enteroendocrine cells in the duodenum. |
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Term
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Definition
| condition in which the lingual frenulum is abnormally short. |
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Term
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Definition
| has the exocrine function of secreting most of the enzymes that digest foodstuffs in the small intestine. |
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Definition
| Viral disease spread by the fecal-oral route, often in contaminated food or water. |
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Term
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Definition
| Shallow inflammation of the large-intestinal mucosa; now understood to be an abnormal immune and inflammatory response. |
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Term
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Definition
| viral disease transmitted through infected blood or body fluids; some individuals infected with this virus develop a chronic form of the disease. |
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Term
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Definition
| Disrupts or blocks important secretions in the respiratory and digestive systems; thick mucus blocks ducts of digestive glands |
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Term
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Definition
| cells in the walls of liver sinusoids destroy bacteria and other foreign particles. These cells also destroy worn-out blood cells. |
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Term
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Definition
| develops into the first segment of the digestive system, from the pharynx to the point in the duodenum where the bile duct enters. |
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Term
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Definition
| condition consisting of small outward herniations of the mucosa through the colon wall |
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Term
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Definition
| structure composed of a branch of the hepatic artery, a branch of the hepatic portal vein, and a small branch of a bile duct |
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Term
| The large intestine is puckered into sacs called |
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Definition
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