25 terms

Digestive system

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Alimentary canal (Gastrointestinal tract; GI tract)
Continuous, coiled, hollow muscular tube that winds through the ventral body cavity and is open at both ends.
Mouth (Oral cavity)
A mucous membrane-lined cavity
Hard plate
Forms its anterior roof
Soft plate
Forms its posterior roof
Uvula
Fleshy fingerlike projection of the soft plate, which extends inferiorly from the posterior edge of the soft plate.
tongue
Muscle that occupies the floor of the mouth
Masticated
The cheeks closed lips hold the food between the teeth during chewing
Esophagus
Runs from the pharynx through the diaphragm to the stomach
Stomach
Is on the left side of the abdominal cavity nearly hidden by the liver and diaphragm
cardioesophageal sphincter
Food enters the stomach from the esophagus
pyloric sphincter
A continuous with the small intestine
Rugae
Mucosa is thrown into large folds
Gastric juice
Secreted into deep gastric pits of the gastric glands
Pepsinogens
Produced by chief cells
Chime
Resembles heavy cream
Small intestine
Body's major digestive organ
Large intestine
Longest section of the alimentary tube
Duodenum
Twelve finger widths long
Jejunum
Empty
Ileum
Twisted intestines
Pancreatic ducts
Chemical breakdown of foods in the small intestine
Bike ducts
Bike enters the duodenum
Microvilli
Tiny projections of the plasma membrane of the mucosa cells
Villi
Fingerlike projections of the mucosa
Prayers patches
Local collections of lymphatic tissue