Salivary Secretion Flashcards Preview

Physiology (Gastrointestinal) > Salivary Secretion > Flashcards

Flashcards in Salivary Secretion Deck (8):
1

What does the parotid gland secrete?

serous type

2

What does the sub-mandibular gland secrete?

serous and mucous type

3

What does the sub-lingual gland secrete?

serous and mucous type

4

Name the 5 parts of a salivon

acinar cells (fluid, mucin, enzyme)
duct cells (fluid)
myoepithelial cells (contractile)
striated duct
intercalated duct

5

Name the 6 major functions of salivary secretion

mastication/deglutition
starch digestion (amylase in humans)
evaporative cooling
HCO3 buffering (200L/day in cows)
secretory IgA secretion
R factor binding proteins (vitamin B12 transport)

6

What are the 3 electrolytes in saliva?

Na
Cl
HCO3

7

Parasympathetic effect on saliva

increase flow rate

8

Sympathetic effect on saliva

increase viscosity