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Cards (28)
What are the fingerlike extensions of the intestinal mucosa called?
Villi
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What is the structure that suspends the small intestine from the posterior body wall?
Mesentery
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What large collection of lymphoid tissue is found in the submucosa of the small intestine?
Peyer's patches
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What are the deep folds of the mucosa and submucosa in the small intestine called?
Circular folds
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What regions of the digestive system break down foodstuffs mechanically?
Oral cavity
and
stomach
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What is the mobile organ that manipulates food in the mouth?
Tongue
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What is the conduit for both air and food?
Pharynx
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What is the "gullet" that has no digestive function?
Esophagus
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What are the three structures continuous with the peritoneum?
Greater omentum
,
lesser omentum
,
mesentery
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What are the folds of the gastric mucosa called?
Rugae
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What are the sacculations of the large intestine called?
Haustra
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What are the projections of the plasma membrane of a mucosal epithelial cell called?
Microvilli
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What is the valve at the junction of the small and large intestines?
Ileocecal valve
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What is the primary region of food and water absorption?
Small intestine
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What is the membrane securing the tongue to the floor of the mouth?
Frenulum
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What organ absorbs water and forms feces?
Large intestine
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What is the area between the teeth and lips/cheeks called?
Vestibule
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What is the wormlike sac that outpockets from the cecum?
Appendix
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What initiates protein digestion in the digestive system?
Stomach
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What structure is attached to the lesser curvature of the stomach?
Lesser omentum
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What is the organ distal to the stomach?
Small intestine
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What valve controls the food movement from the stomach into the duodenum?
Pyloric valve
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What is the posterosuperior boundary of the oral cavity?
Soft palate
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What is the location of the hepatopancreatic sphincter?
Where
pancreatic secretions
and
bile
pass
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What is the serous lining of the abdominal cavity wall called?
Parietal peritoneum
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What is the principal site for the synthesis of vitamin K by microorganisms?
Large intestine
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What region contains two sphincters through which feces are expelled from the body?
Anus
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What is the bone-supported anterosuperior boundary of the oral cavity?
Hard palate
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