Start of the Digestive system
Where food enters the alimentary canal
What is the Mouth?
The process of chewing.
What is Mastication?
A valve that controls entrance of bolus into the stomach and prevents backflow to the esophagus.
What is Cardiac Sphincter?
Folds present in the stomach when it is empty.
What is Rugae?
The amount of layer in the Gi tract?
What is 4?
Brings food to the stomach from the mouth.
What is the Esophagus?
Food that has been chewed and mixed with saliva.
What is Bolus?
The layer of mucus along the inner walls of the stomach that protects its lining from acid.
What is Gastric Mucosa?
Where the esophagus opens to the stomach.
What is Cardia?
The innermost layer of the GI tract.
What is Mucosa?
Keeps food from entering the nasal cavity during swallowing.
Salivary enzymes begins the chemical breakdown of the food.
What is Chemical Digestion?
Contains hydrochloric acid, gastric, and pepsin.
Section of the stomach that stretches to fit the amount of food in the stomach.
What is Fundus?
A layer of connective tissue that supports the mucosa and connects it to the muscularis.
What is Submucosa?
Carries air to/from the trachea and food to the esophagus.
What is the Pharynx?
Medical term for swallowing.
What is Deglutition?
Occurs when bolus mixes with gastric juices.
What is Maceration?
The lowest part of the stomach.
What is Antrum?
A muscle layer that is connected to the submucosa.
What is Muscularis?
Closes the opening to the trachea to keep food and liquid from entering during swallowing.
What is the epiglottis?
Slow, wavelike contraction that moves food through the digestive system.
What is Peristalsis?
Forms when protein is broken down in the stomach.
What is Chyme?
The entry way into the small intestine.
What is Pylorus?
The outermost layer of the canal.
What is Serosa?