Definition Flashcards
Saliva
Fluid secreted by glands in the mouth.
Sublingual glands
A pair of salivary glands that lie underneath the tongue.
Submandibular gland
A pair of salivary glands that lie underneath the mandible (jawbone).
Parotid gland
A pair of salivary glands located in the cheek area.
Amylase
An enzyme secreted by the salivary glands that acts to break the bonds that link the components of carbohydrates molecules to each other.
Bolus
What chewed and moistened food is called.
Soft palate
The back part of the roof of your mouth.
Epiglottis
A flap of tissue in the throat.
Larynx
The voice box.
Voluntary oral stage
The first stage of deglutition.
Pharyngeal stage
The second stage of deglutition.
Deglutition
Swallowing
Esophageal stage
The third stage of deglutition
Pharyngeal muscles
Muscles in the throat the move the bolus
Upper esophageal sphincter
A muscular structure that relaxes to allow the bolus to enter the esophagus.
Peristalsis
The rhythmic contracting and relaxing of muscles.
Lower esophageal sphincter
The sphincter between the esophagus and the stomach.
Cardiac region
The region of the stomach that contains the lower esophageal sphincter and the entrance to the stomach.
Fundus
The region at the very top of the stomach.
Body of the stomach
The main part of the stomach.
Pylorus
The part of the stomach that joins to the small intestine.
Gastric juice
A mixture of acids and enzymes secreted by cells in the stomach.
Chyme
What partially digested food is called when it leaves the stomach.
Peptides
Chains of amino acids that are smaller than complete proteins
