Card Set: Anatomy & Physiology: The Digestive System MCQ

A&P Key Terms 23 The Digestive System

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61. gastric pit narrow channel formed by the epithelial lining of the stomach mucosa
62. gastrin peptide hormone that stimulates secretion of hydrochloric acid and gut motility
63. gastrocolic reflex propulsive movement in the colon activated by the presence of food in the stomach
64. gastroileal reflex long reflex that increases the strength of segmentation in the ileum
65. gingiva gum
66. haustral contraction slow segmentation in the large intestine
67. haustrum small pouch in the colon created by tonic contractions of teniae coli
68. hepatic artery artery that supplies oxygenated blood to the liver
69. hepatic lobule hexagonal-shaped structure composed of hepatocytes that radiate outward from a central vein
70. hepatic portal vein vein that supplies deoxygenated nutrient-rich blood to the liver
71. hepatic sinusoid blood capillaries between rows of hepatocytes that receive blood from the hepatic portal vein and the branches of the hepatic artery
72. hepatic vein vein that drains into the inferior vena cava
73. hepatocytes major functional cells of the liver
74. hepatopancreatic ampulla (also, ampulla of Vater) bulb-like point in the wall of the duodenum where the bile duct and main pancreatic duct unite
75. hepatopancreatic sphincter (also, sphincter of Oddi) sphincter regulating the flow of bile and pancreatic juice into the duodenum
76. hydrochloric acid (HCl) digestive acid secreted by parietal cells in the stomach
77. ileocecal sphincter sphincter located where the small intestine joins with the large intestine
78. ileum end of the small intestine between the jejunum and the large intestine
79. incisor midline, chisel-shaped tooth used for cutting into food
80. ingestion taking food into the GI tract through the mouth
81. internal anal sphincter involuntary smooth muscle sphincter in the anal canal
82. intestinal gland (also, crypt of Lieberkhn) gland in the small intestinal mucosa that secretes intestinal juice
83. intestinal juice mixture of water and mucus that helps absorb nutrients from chyme
84. intestinal phase phase of gastric secretion that begins when chyme enters the intestine
85. intrinsic factor glycoprotein required for vitamin B12 absorption in the small intestine
86. jejunum middle part of the small intestine between the duodenum and the ileum
87. labial frenulum midline mucous membrane fold that attaches the inner surface of the lips to the gums
88. labium lip
89. lactase brush border enzyme that breaks down lactose into glucose and galactose
90. lacteal lymphatic capillary in the villi
Anindyo Mukhopadhyay
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Madison Christian
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Edgar Delgado
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Madison Christian
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