L03: Functions Of The Mouth And Oesophagus Flashcards
What are the 4 types of salivary glands
Assessory parotid gland
Sublingual gland
Parotid gland
Submandibular gland
What do salivary glands secrete
Amylase or lipase
What cells does salivary glands contain
Acinar cells
Ductal cells
Goblet cells
What do Acinar cells in salivary glands do
Produce enzyme of amylase and lipase
What do ductal cells do in salivary glands
Modify the fluid produced by acinar cells
What is the total volume of saliva produced in an average adult in 24 hours
1.5 litres
Why is saliva important
Lubrication
Hydration
Cytoprotection
Immune function
Name two salivary gland disease
Sjögren’s syndrome
MUMPs virus
What is the Sjögren’s syndrome
An autoimmune attack of salivary glands which results in dry mouth
What is MUMPs
Enlargement of the parotid gland due to a blockage
From the autonomic system which nervous system controls the secretion of glands
Parasympathetic
Which cranial nerve controls the submandibular gland
Fascial nerve (CN12)
Which cranial nerve controls the parotid gland
Glossopharyngeal nerve (CN9)
Which other nervous system from the autonomic system can become involved in the control of secretion of glands and how
Sympathetic nervous system by vasoconstricting blood vessels for thick mucous production
What are the 4 phases of swallowing
Oral preparatory
Oral
Pharyngeal
Oesophageal