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31 Cards in this Set
- Front
- Back
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digestive tract
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aka- (GI Tract) alimentary canal or gastrointestinal tract: mouth to anus.
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pharynx
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throat: performs the swallowing action that passes food from the mouth into the esophagus
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esophagus
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10in tube that extends from the pharynx to the stomach
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stomach
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J-shaped sac that mixes and stores food. It secretes chemicals for digestion and hormones for local communication control.
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cardia of the stomach
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area around the opening of the esophagus
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fundus of the stomach
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uppermost domed portion of the stomach
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body of the stomach
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central portion of the stomach
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pylorus of the stomach
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lower part of the stomach that connects to the sm intestine.
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antrum
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portion of the pylorus that connects to the body of the stomach
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pyloric sphincter
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ring of muscle that guards the opening between the stomach and the duodenum
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sm intestine
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20 foot canal extending from the pyloric shpincter to the large intestines
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duodenum
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first 10-12 in of the sm intestines
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jejunum
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second portion of the sm intestine, approx. 8 feet
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ileum
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third portion of the sm intestine, approx. 11 ft long, which connects with the lg intestines
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lg intestines
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canal that is approx. 5 ft long and extends from the ileum to the anus
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cecum
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blind U-shaped pouch that is the first portion of the lg instestine
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colon
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next portion of the lg intestine.
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4 parts of the colon:
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ascending, transverse, descending, and sigmoid colon to the anua.
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rectum
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remaining portion of the lg intestine, approx. 8 to 12 inches long, extending from the sigmoid colon to the anus.
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anus
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sphincter muscle at the end of the digestive tract.
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salivary glands
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produce saliva, which flows into the mouth
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liver
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prod. bile, which is necessary for the digestion of fats. The liver performs many other functions concerned with digestion and metabolism.
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bile ducts
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passageways that carry bile.
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cystic duct
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carries bile from the gallbladder.
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hepatic duct
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passageway for bile from the liver.
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common bile duct
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the hepatic duct and cystic duct join to form the common bile duct, which conveys bile to the duodenum.
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gallbladder
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sm, saclike structure that stores bile
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pancreas
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prod. pancreatic juice, which helps digest all types of food and secretes insulin for carb metabolism.
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peritoneum
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serous sac lining of the adominal and pelvic cavities.
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appendix
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sm pouch, which has no function in digestion, attached to the cecum.
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abdomen
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portion of the body between the thorax and the pelvis
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