Digestive system Flashcards
Other name for digestive system
Alimentary system
Lymphoid tissue (Cells) that are responsible of protecting the animal to bacteria from the gut.
macrophages, dendritic cells, B-lymphocytes, and T-lymphocytes
What are the products of protein hydrolysis? (3 types)
Amino acids, di-, tripeptides.
What are carbohydrates hydrolyzed into?
monosaccharides (glucose, fructose, galactose),
Triglycerides are hydrolyzed into? (2 types)
Free fatty acids and monoglycerides
Nucleic acids (DNA & RNA) are hydrolyzed into nucleotides and then hydrolyzed by enzymes (nucleosidases & phosphatases) into? (3 types)
Free bases, pentose sugars and phosphate ions
Path of ingested food
Esophagus, stomach, small intestine (duodenum, jejunum, ileum), large intestine (caecum, colon, rectum)
Hydrolysis is achieved by enzymes in? (4)
Saliva, stomach, duodenal mucosae, pancreas.
What vein takes absorbed nutrients to the liver?
Hepatic portal vein
The products of triglyceride digestion diffuse through the …
where they are reconstituted into triglycerides.
Through plasma membranes of the cells lining the small intestine
What changes are made so that absorbed triglycerides can be in a watery environment?
Absorbed triglycerides combine with phospholipids and cholesterol, are coated with protein to form water-soluble chylomicrons
Where do chylomicrons go?
lymphatic vessels
