Chapter 14- The Digestive System

Hepatopancreatic ampulla

________ is the location where the main pancreatic duct and bile ducts join.

Cement covers

________ outer surface and attaches the tooth to periodontal membrane (ligament)

Peristalsis

________ is the major means of moving food.

Goblet cells

________ produce alkaline mucus to lubricate the passage of.

Alkaline content

________ neutralizes acidic chyme and provides the proper environment for the pancreatic enzymes to operate.

cardioesophageal sphincter

The ________ is opened when food presses against it.

Tongue

________- attached at hyoid bone and styloid processes of the skull, and by the lingual frenulum to the floor of the mouth.

Rugae

________- internal folds of the mucosa present when the stomach is empty.

Rennin

________- works on digesting milk protein in infants; not produced in adults.

Alimentary canal wall

________ contains two intrinsic nerve plexuses that are part of the autonomic nervous system.

hollow tube

The alimentary canal is a continuous, coiled, ________ that runs through the ventral cavity from stomach to anus.

Defecation

________- excretes to rid the body of indigestible waste.

Alcohol

________ and aspirin are virtually the only items absorbed in the stomach.

Retropulsion

________: peristaltic waves close the pyloric sphincter, forcing contents back into the stomach; the stomach empties in 4- 6 hours.

Sluggish peristalsis

________ begins when food residue arrives.

Teeth

________ are classified according to shape and function.

Substances

________ are transported to the liver by the hepatic portal vein or lymph.

Dentin

________- found deep to the enamel and forms the bulk of the tooth, surrounds the pulp cavity.

Appendicitis

________- inflammation of the appendix; common in adolescents.

Digestion

________ occurs when enzymes chemically break down large molecules into their building blocks.