Salivary Gland

Question 1

salivary pellicle

Answer 1

proteinacious film on teeth and is pivotal in many of the physiological processes of the mouth
*FUNDAMENTAL for oral heath! absense increases risk of carries

Question 2

composition of saliva

Answer 2

99. 5% = water
100. 2%= inorganic
101. 3%= organic

Question 3

T or F… viscosity of saliva is non-newtonian

Answer 3

true

Question 4

serous vs mucous cell production

Answer 4

• serous= watery, dark cytoplasm, amylases
• produce proteins and glycoproteins
• mucous= viscous, clear cytoplasm, mucopolysaccharies
• produce mucins for lubrication, NON-glycosylated proteins

Question 5

luminal surfaces of serous cells have?

Answer 5

microvilli

Question 6

tight, adhering and desmosome junctions all separate?

Answer 6

luminal surface from the basolateral surfaces

Question 7

what is the most prominent feature of mucous cells?

Answer 7

accumulation in apical cytoplasm of large amounts of secretory product that COMPRESSES the nucleus and endoplasmic reticulum against the basal cell membrane

Question 8

unlike serous cells, mucous cells lack?

Answer 8

intercellular canaliculi (except for those covered by demilune cells)

Question 9

myoepithelial cells are ____ cells?

Answer 9

contractile cells!

*associated with the secretory end pieces and intercalated ducts of salivary glands

Question 10

what initiates contraction of myoepithelial cells?

Answer 10

caveolae

Question 11

what gland is pure serous in an adult?

Answer 11

parotid

Question 12

submandibular is mixed, serous, or mucous?

Answer 12

MIXED! but mainly serous