Gastrointestinal System Flashcards
Name all the components of the digestive system
Oral cavity
Teeth
Tongue
Liver
Gallbladder
Pancreas
Large intestine
Salivary glands
Pharynx
Esophagus
Stomach
Small intestine
Anus
What are the 6 main functions of the digestive system?
Ingestion
Mechanical processing
Digestion
Secretion
Absorption
Excretion
What is the stomach?
A J shaped organ that receives masticated food in the form of a bolus from the oesophagus
What is chyme made up of?
Ingested food and stomach acids
Where is the stomach located?
On the LHS around T7-L3 level
What are the 4 main functions of the stomach?
Storage of ingested food
Mechanical breakdown of ingested food
Absorption of chemical bonds in food material through acids and enzyme action
Production of intrinsic factor
What are the 4 main regions of the stomach?
Cardia
Fundus
Body
Pylorus
What happens at the small intestine?
Chemical digestion is completed and products of digestion are absorbed
What does the small intestine rely on to facilitate its digestion?
Relies on the liver production of bile and the pancreas’s production of enzymes
What 3 segments make up the small intestine?
Duodenum
Jejunum
Ileum
What are the main functions of the large intestine?
Reabsorption of water no compaction into feces
Absorption of vitamins released by bacterial action
Storage of feces prior to defection
What 3 parts make up the large intestine?
Cecum
Colon
Rectum
What is the largest visceral organ?
Liver
Where is the liver located?
In the upper right-hand portion of the abdominal cavity, beneath the diaphragm and stretched to the top of the stomach, right kidney and intestines
What are the names of the 4 lobes that makes up the liver?
Right
Left
Caudate
Quadrate