upper GI structure and function (week 2)

Question 1

what 3 salivary glands do we have?

Answer 1

parotid, submandubular and sublingual

Question 2

what are the main components of mucus?

Answer 2

mucins (proteins) + water = mucus

Question 3

what is the parasympathetic and sympathetic supply to the glands?

Answer 3

parasympathetic: cranial nerve (7) and glossopharyngeal nerve (9) - creates lots of watery secretions

sympathetic: small volume and thick secretions, A-1 receptors make high mucus content and B-2 make high amylase