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31 Cards in this Set

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