Chapter 12 - Human alimentary canal 2 Flashcards
Name the three enzymes present in succus entericus
- Multase
- Sucrase
- Lipase
Where is succus entericus secreted?
From the walls of the small intestine
What is mastication?
The chewing of food (mechanical digestion) in the mouth by the teeth
Name the functions of saliva, apart from containing amylase
Soften, moisten and lubricate the bolus
State three functions of hydrochloric acid in the stomach
- Antiseptic
- Hydrolise sucrose
- Provides acidic conditions which activates pepsinogen
What is the semi-liquid leaving the stomach called?
Chyme
Name all the sphincter muscles in the digestive system
- Upper oesophogeal
- Lower oesophogeal
- Cardiac
- Pyloric
- Anal
What are Brunner’s glands responsible for?
Secretion of an mucus-rich alkaline solution containing bicarbonate ions. This is so that the duodenum can be protected from the acidic chyme leaving the stomach, and it provides the necessary alkaline conditions for intestinal enzymes to work
Name the semi-liquid entering the ileum after digestion was completed
Chyle
Name the three enzymes present in pancreatic juice
- Amylase
- Trypsin
- Lipase
State one function of bile
Emulsification of fats
