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A&P II Gwinnett Technical College

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
accessory digestive organs   food does not pass through these organs (ex. liver, pancreas, gall bladder)  
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acetylcholine, histamine, gastrin   three chemicals that act on the parietal cell to increase acid production  
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acinus   exocrine cells arranged in a sac-like structure  
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adventitia   outermost connective tissue later found on organs outside the peritoneal cavity  
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amino acids   form proteins are in when they are absorbed in the intestines  
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ampulla of Vater   anatomical structure formed by the union of the pancreatic duct and common bile duct prior to entrance into the duodenum  
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amylase   chemical digestion in mouth (starch)  
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amylase   enzyme made by parotid gland  
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amylase, lysozyme, ions, water, mucus   five components of saliva  
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bicarbonate   chemical made by the pancreas to neutralize stomach acid  
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bile   fluid that emulsifies fats (breaking into smaller fat droplets)  
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bile salts   part of bile that emulsifies fats  
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bilirubin   part of bile that comes from hemoglobin  
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bolus   ball of food that if formed in the mouth prior to deglutition  
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Brunner's gland   structure that makes mucus - located in the duodenal submucosa  
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brush border enzymes   small intestine enzymes that include disaccharidases and dipeptidases located in the membrane of microvilli  
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cardia   part of the stomach around opening to the esophagus  
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cholecystokinin   hormone that causes gall bladder contraction, secretion of pancreatic juice high in enzymes , feeling of fullness, shut down of stomach secretion  
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chylomicron   lipoprotein made by the small intestinal epithelial cell that travels in the lymph  
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chylomicron, LDL, HDL   three lipoproteins  
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common hepatic duct   bile duct formed by merging of right and left hepatic ducts  
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crown   part of the tooth above the gum  
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Crypt of Lieberkuehn   deep crevice between two villi in the small intestine  
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cystic duct   bile passageway between common hepatic duct and the gall bladder  
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deglutition   swallowing  
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diaphragmatic hernia   a condition when portion of the stomach develops in the thoracic cavity - present in newborns  
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diffusion   process by which fats are absorbed in the small intestine  
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duodenum, jejunum, ileum   three parts of the small intestine  
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enteroendocrine cell   epithelial cells in the stomach and intestines that make hormones  
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enterokinase   enzyme that activated trypsinogen  
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epithelium, lamina propria, muscularis mucosa   three parts of the mucosa of GI organs  
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facilitated diffusion   process by which water-soluble amino acids and monosaccharides are absorbed in the small intestine  
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falciform ligament   form of peritoneum that connects the liver and the diaphragm  
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fatty acids and monoglycerides   form triglycerides are in when they are absorbed in the small intestine  
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flatus   gas  
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G-cell   cell that makes gastrin (enteroendocrine cell of the stomach)  
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gastrin   hormone made by G-cells that increases acid production by the stomach  
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gingiva   gum  
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greater omentum   fold of peritoneum that hangs from the stomach over the abdominal organs (fatty apron)  
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haustra   puckers of the large intestine due to the taeniae coli  
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HCl and intrinsic factor   products of parietal cells  
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hepatic artery   artery that brings oxygenated blood to the liver  
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hepatic portal vein   blood vessel that brings nutrients from the intestines to the liver before they reach the general circulation  
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hiatal hernia   a condition when a portion of the stomach protrudes through the diaphragm into the thoracic cavity  
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hydrolysis   adding water to break a bond  
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ileocecal valve   valve located between the small and large intestines  
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inner circular and outer longitudinal layers of smooth muscle   two laters of muscularis externa  
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intraperitoneal   an organ that is surrounded on all sides by peritoneum  
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jaundice   elevated bilirubin in the blood  
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jejunum   site of most nutrient absorption  
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jejunum, ileum   parts of the small intestine that are entirely intraperitoneal  
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Kupffer cells   cells found in sinusoids of the liver  
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labia   lip  
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lacteal   lymph vessel present in the villus of the small intestine  
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lesser omentum   fold of peritoneum that connects the liver and the stomach  
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lipase   pancreatic enzyme that breaks down fats  
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make insulin (and glucagon)   purpose of the iselt of Langerhans  
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mastication   chewing  
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maxillae and palatine   bones that make up the hard palate  
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mesentery proper   fold of peritoneum that connects the small intestine to the posterior wall  
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mesocolon   fold of peritoneum that connects the transverse colon with the abdominal wall  
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microvilli   extensions of the cell membrane on the small intestinal epithelial cell  
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molar   type of tooth for grinding food  
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monosaccharides   form carbohydrates are in when absorbed in the intestine  
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mucus acinus   type of acinus makes thick secretion high in mucus  
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oropharynx and laryngopharynx   parts of the pharynx for both food and air  
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pancreas, parotid gland   glands that contain almost entirely serous acini  
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pancreatic amylase   pancreatic enzyme that breaks down carbohydrates  
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Paneth cell   cell in intestine that makes lysozyme (antibacterial)  
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parasympathetic nervous system   part of the ANS that causes defecation  
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pepsin (protein)   chemical digestion in stomach  
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pepsinogen   product of chief cell  
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periodontal ligament   structure that connects tooth to bone in a gomphosis  
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peristalsis   contraction of circular and longitudinal muscles throughout the digestive tract to move food forward  
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Peyer's Patch   large lymphatic tissue nodules present in the submucosa of the ileum  
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plica circulares   circular folds of the submucosa and mucosa in the small intestine  
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pulp cavity   hollow part of the tooth that contains blood vessels and nerves  
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pyloric valve   valve between the stomach and duodenum  
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retroperitoneal   an organ that has only one side covered by visceral peritoneum (duodenum, kidney, pancreas)  
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root   part of the tooth below the gum  
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rugae   folds of mucosa and submucosa in the stomach  
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secretin   hormone that causes secretion of pancreatic juice high in bicarbonate, shut down of stomach secretion  
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segmentation   random constriction of the circular layer of muscle in the small intestine  
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serosa or visceral peritoneum   most superifical histological layer of an intraperitoneal organ  
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serous acinus   type of acinus that makes watery secretion  
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simple columnar   type of epithelium lining the stomach  
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simple squamous   type of epithelium in visceral peritoneum  
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sinusoid   type of capillary (very leaky) in the liver  
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smooth   type of muscle tissue found in muscularis mucosa  
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some B vitamins and K   vitamins made by bacteria in the GI tract  
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stratified squamous   type of epithelium lining the esophagus  
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sublingual gland   gland that contains almost entirely mucus acini  
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submandibular gland   gland that contains relatively equal amounts of mucus and serous acini  
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sucrase, maltase, lactase   three disaccharidases  
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taeniae coli   longitudinal bands of muscle in the large intestine  
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triad region   histological region between liver lobules that contain bile duct, hepatic artery, and branch of the hepatic portal vein  
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trypsin   enzyme that activates chymotrypsinogen  
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trypsinogen, chymotrypsinogen, procarboxypeptidase   three pancreatic zygomens (proenzymes)  
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vagus   nerve involved in cephalic phase of stomach control  
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villi   extensions of the lamina propria in the small intestine to create finger-like extensions  
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vitamin B12 absorption   purpose of intrinsic factor  
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zygomen or proenzyme   inactive form of an enzyme  
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