The Digestive Tract Flashcards
The GI tract is a
long tube that is open at both ends for the transit of food during processing
Named portions of the tube (GI tract) include the
esophagus, stomach, small intestine, large intestine, and rectum
Accessory structures are not
part of the G I tract, but they do contribute to food processing
Accessory structures include the
teeth, tongue, salivary glands, liver, gall bladder, and pancreas
6 basic processes involved in digestion include
ingestion, secretion, motility, disgestion, absorption, defecation
Submucosal plexus
And
Myenteric plexus is part of what system
Is part of the Enteric Nervous System
Parasympathetic
o Sympathetic is part of what system?
Autonomic nervous system
What is the peritoneum
the largest serous membrane in the body
Where do the salivary glands lie and where do they deliver their contents?
Salivary glands lie outside the mouth and empty their contents into ducts which deliver saliva into the oral cavity
What are the 3 pairs of salivary glands?
- Parotid
- Submandibular
- Sublingua
Saliva contains special enzymes that
help digest the starches in your food.
Mechanical digestion occurs when
Chewing mixes food with saliva and forms a bolus
which can be easily swallowed
Chemical digestion occurs when salivary amylase
Converts polysaccharides to disaccharides