Digestive system test Flashcards
gastrointestinal
a long, muscular tube that runs from your mouth to your anus; GI tract
deglutition
swallowing
triglycerides
the most common type of fat in your body, stored in fat cells and used for energy
hard palate
the bony front portion of the roof of the mouth
parotid gland
salivary glands; located in front of and slightly below each ear
periodontal membrane
a specialized connective tissue that attaches the tooth to the surrounding alveolar bone
mastication
chewing
sublingual gland
the smallest of the three major salivary glands; under tounge
submandibular gland
located below the jaw, and is responsible for producing saliva
tonsils
two round, fleshy masses in the back of your throat
uvula
Your uvula is the little hanging ball in the back of your throat; secreting saliva
esophagus
a muscular tube that carries food and liquids from the pharynx to the stomach
pharynx
a muscular tube in the middle of your neck
bolus
a small rounded mass of a substance, especially of chewed food at the moment of swallowing.
peristalsis
a wave-like muscular contraction
Stomach
a J-shaped, muscular organ in the upper abdomen that plays a key role in the digestive system
hydrochloric acid
Main component of gastric acid
lower esophageal sphincter
a ring of muscle that acts as a valve at the lower end of the esophagus, preventing stomach contents from flowing back up into the esophagus
sphincters
a ring of muscle surrounding and serving to guard or close an opening or tube
pyloric sphincter
a ring-like muscle located at the bottom of the stomach, where it connects to the duodenum
Small Intestine (Small Bowel)
responsible for the majority of nutrient digestion and absorption
bile
a greenish-yellow, digestive fluid
duodenum
first part of small intestine
ileum
final part of small intestine