saliva

Question 1

highly glycosylated glycoproteins that are viscous and largely responsible for lubricating the mucosal surface & providing a protective barrier

Answer 1

mucins

Question 2

secreted in saliva and serves an important function in buffering acids in the mouth

Answer 2

bicarbonate

Question 3

calcium-binding proteins in saliva that allow saliva to be super-saturated with calcium and thus contribute to enamel maturation and remineralization

Answer 3

proline-rich proteins and statherin

Question 4

molecules that contribute to the direct anti-microbial functions of saliva; capable of anti-bacterial, anti-fungal, and anti-viral actions

Answer 4

lysozyme, peroxidase, the defensins and histatins, along with IgA

Question 5

saliva can actively participate in tissue repair by secreting ____

Answer 5

growth factors like epidermal growth factor and nerve growth factor

Question 6

lubrication provided by ____ important for chewing and swallowing

Answer 6

mucins

Question 7

saliva contains enzymes like ____ which begins to dissolve starch and ____ which breaks down fats into fatty acids and glycerol

Answer 7

amylase; lipase

Question 8

saliva is vital for the proper function of taste- tasty molecules must first be dissolved in ____ in saliva so that they can be transported to the taste buds

Answer 8

water

Question 9

the parotid gland discharges saliva thru _____ opposite the _____

Answer 9

stenson’s duct; 2nd maxillary molar

Question 10

the submandibular gland empties into the oral cavity via ____ on the ____

Answer 10

wharton’s duct; lingual frenum

Question 11

sublingual gland empties into series of ducts on the ____ behind wharton’s - called _____

Answer 11

sublingual fold; bartholin’s and rivinus’s ducts

Question 12

like all glands, salivary glands are made up of ____ and ____

Answer 12

stroma; parenchyma

Question 13

stroma provides ____ to the gland, forming the ____ an organizing the gland into lobes

Answer 13

structural support; capsule

Question 14

____ make the saliva and take care of discharging it to its final destination

Answer 14

parenchyma

Question 15

in the salivary gland, stroma is made up of ____ and parenchyma is made up of _____

Answer 15

connective tissue; epithelium

Question 16

2 main components of the parenchyma

Answer 16

secretory portion- secretory endpieces or “acini”

ducts

Question 17

timing of development of parotid/submandibular/sublingual and minor salivary glands

Answer 17

parotid: week 6
submandibular: end of week 6
sublingual and minor: weeks 8-12

Question 18

acini ____ saliva and ducts ____ and also ____ certain components present in the salivary secretion

Answer 18

secrete; secrete; resorb

Question 19

“primary secretion” by acinar cells

Answer 19

water
ions (sodium and chloride)
proteins
ISOTONIC

Question 20

“secondary secretion” by duct cells

Answer 20

resorb Na and Cl (HYPOTONIC)
secrete proteins
secrete bicarbonate ions

Question 21

the sympathetic NS is responsible for ____ secretion which is ____ and ____

Answer 21

protein; viscous; scant

Question 22

the parasympathetic NS is mainly responsible for fluid secretion which is ____ and _____

Answer 22

watery; copious

Question 23

types of cells in the stroma

Answer 23

fibroblasts (make collagen)
blood vessels (supply parenchyma)
nerve fibers (supply parenchyma)
plasma cells (secrete antibodies)
fat cells (increase with age)