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Digestive System

QuestionAnswer
-ase Enzyme
Bili- Bile
Bucca- Cheek
Cholecyst- Gallbladder
Choledo- Common bile duct
Colo- Colon
Entero- Intestines
Esophago- Esophagus
Gastr- Stomach
Gingiva- Gums
Glosso- Tongue
Hepato- Liver
Ileo- Ileum
Lapar- Abdomen
Odont- Tooth
Or, os- Mouth
Pancreato- Pancreas
-phagia Swallowing
Parietal peritoneum Lines the abdominal cavity
Visceral peritoneum Folds over the abdominal organs
Peritoneal space In between filled with serous fluid
Oral cavity functions Receives food, starts preparing food for digestion, aids in the production of speech
Deciduous teeth 6-7 months of age, replaced by permanent teeth
Permanent teeth Full set of 32
Crown Visible part of tooth covered with enamel (hardest tissue)
Root Enclosed in bone socket in mandible or maxillae held in place by cementum
Pulp cavity Inside section that contains blood vessels and nerves
Tongue Skeletal muscle used for chewing, swallowing, and speech
Papillae Elevations on tongue making surface rough; many contain taste buds
Lower esophageal sphincter (LES) Also known as the cardiac sphincter; junction between the esophagus and stomach that stays closed except to allow the passage of food; reflux through here causes heartburn
Fundus Upper part above LES
Body Large central part that stores food
Pylorus Lowest part adjacent to small intestine where most DIGESTION occurs
Gastric juice contains __ Mucous cells, pepsinogen, intrinsic factor, HCL, pepsin, and enteroendocrine cells (G cells)
Sphincter of oddi Opening in duodenum where the common bile duct and pancreatic duct join together
Secretin Stimulates secretion of bile from liver and bicarbonate from pancreas
Cholecystokinin Stimulates contraction of gallbladder, release of pancreatic enzymes
Blood capillaries absorb __ CHO proteins
Lacteals absorb __ Fat
Ileocecal valve Junction between cecum and ileum
Defecation reflex Spinal cord reflex triggered by stretching of rectum with feces
Portal vein Brings blood from the digestive organs and spleen to liver
Hepatic artery Brings oxygenated blood
Central veins of lobules Unite and carry blood out of the liver to the inferior cava
Glycogenesis When BS goes UP, the liver converts glucose to glycogen
Gluconeogenesis When BS goes DOWN, the liver converts glycogen to glucose
4 plasma proteins that circulate in blood & are also CLOTTING mechanisms Prothrombin, fibrinogen, albumin, globulin
Amylase digests Starch
Pepsin digests Protein
Bile emulsifies Fat
Lipase digests Fat
Trypsin digests Protein
Peptidase digests Protein
Sucrase, Maltase, Lactase all digest Carbohydrates
Created by: Kmccarty