Flashcards in Digestive System Deck (25):
the process of breaking down food into molecules that are small enough to enter the body cells
the passage of molecules (from digested food) through the plasma membrane of cells lining the stomach and intestines into the blood and lymph
the process of taking food/liquids into the mouth
the elimination of substances not absorbed after digestion through the anus
the eliminated material in defecation
What is the parietal peritoneum?
the membrane that lines the wall of the abdominopelvic cavity
What is the visceral peritoneum?
The membrane that lines some of the organs in the abdominopelvic cavity
What is the peritoneal cavity?
The space between the parietal and visceral peritoneum
What is ascites?
distention in the peritoneal cavity caused by fluid accumulation
What is peritonitis?
inflammation of the peritoneum
What is mastication?
a soft, flexible mass of food that is easily swallowed
a progression of coordinated contractions and relaxations that pushes the food bolus down the esophagus toward the stomach
What is chyme?
a soupy liquid mixture of saliva, food and gastric juice formed in the stomach
What is emesis?
List the components of the digestive system in sequential order (of digestion)
Mouth (oral cavity) - teeth, tongue
What are the three classes of digestive enzymes?
Protease, lipase, amylase
What substances in the digestive system are absorbed into the capillaries and which are absorbed into lacteals?
Capillaries - Water-soluble substances, B vitamins, vitamin C, amino acids, mono/disacharrides
Lacteals - fatty acids, triglycerides, vitamins A,D,E,K
What are the major salivary glands?
Parotid, submandibular, sublingual
Gastroenterology deals with the ________
structure, function, diagnosis and treatment of diseases of the ST and Intestines
Proctology deals with the ________
diagnosis and treatment of disorders of the rectum and anus
Accessory digestive organs include the ________
teeth, tongue, salivary glands, liver, gallbladder, pancreas
What are the layers of the GI tract?
Which layer of the GI tract contains capillaries and lacteals to receive absorbed molecules?