Salivary Glands - Krimm

Question 1

salivary glands are _______ glands

Answer 1

exocrine

Question 2

3 major salivary glands

Answer 2

parotid gland
submandibular
sublingual

Question 3

5 minor salivary glands

Answer 3

Von Ebner’s gland (posterior tongue)
Labial
Palatal
Buccal
Lingual

Question 4

Blood vessels in the stroma supply

Answer 4

parenchyma

Question 5

nerve fibers in the stroma supply

Answer 5

parenchyma

Question 6

plasma cells in the stroma secrete

Answer 6

antibodies

Question 7

fibroblasts in the stroma secrete

Answer 7

collagen

Question 8

fat cells in the stroma increase with

Answer 8

age

Question 9

autonomic nervous system controls _______ glands

Answer 9

salivary

Question 10

salivary gland nerve supply is from _____ and ______ sources

Answer 10

sympathetic and parasympathetic

Question 11

salivary glands don’t have synapses, instead they have lots of __________ associated with the gland that helps the glands stimulate more saliva

Answer 11

unmyelinated nerve endings

Question 12

what is the part of the salivary gland that actually produces saliva

Answer 12

parenchyma

Question 13

what 3 acini do parenchyma have

Answer 13

serous
mucous
mixed

Question 14

the parotid gland contains what kind of acini

Answer 14

serous

Question 15

some minor salivary glands contain what kind of acini

Answer 15

mucous

Question 16

submandibular and sublingual glands contains what kind of acini

Answer 16

mixed

Question 17

what 3 ducts do parenchyma have

Answer 17

intercalated
striated
excretory

Question 18

myoepthelial cells of acini have actin and myosin that squeeze the acinus to cause what

Answer 18

ejection of saliva

Question 19

What kind of cell:

Pyramidal shape

Resting on basal lamina

Short, irregular microvilli

Exhibit many characteristics of polarized, protein secreting cells

Joined by zona occludens,
desmosomes, gap junctions

Answer 19

serous cell

Question 20

What kind of cell?

Cuboidal to columnar

Oval nuclei pressed toward the base

Arranged in tubules around a central lumen

May or may not be accompanied by a serous demilune

Answer 20

mucous cell

Question 21

What kind of cell?

Found surrounding the acini but within the basal lamina

Highly branched cells

Also associated with tubules; these are spindle shaped and lie parallel to the length of the duct

Answer 21

Myoepithelial cells

Question 22

what order does fluid flow through ducts

Answer 22

intercalated ducts –> striated ducts
–> excretory duct –>

Question 23

What kind of duct?

Smallest duct

Several acini drain into intercalated duct

Cuboidal epithelium

Adds specific proteins and water to saliva

Round nucleus that fills most of the cell

Answer 23

intercalated

Question 24

What kind of duct?

Longer and more active duct

Site of reabsorption
- Against concentration gradient
- Requires energy (ATP)
- Converts isotonic (primary saliva
to hypotonic fluid (secondary
saliva)

Highly polarized
- short microvilli to increase SA
- numerous infoldings of
basolateral membrane (striations)
- vertically aligned mitochondria

Answer 24

striated ducts

Question 25

What kind of duct? Lacks striations Series of connecting ducts becoming progressively wider Moves from single epithelial layer to stratified epithelium Lumen Irregularly spaced nuclei Often in septa; surrounded by fibroblasts

Answer 25

Excretory Duct

Question 26

Capillaries provide

Answer 26

water

Question 27

fluid from capillaries empties in and cells take it up which produces

Answer 27

water

Question 28

primary saliva is formed by what cells

Answer 28

secretory

Question 29

secretory cells add/produce _____ to saliva

Answer 29

proteins/glycoproteins

Question 30

secretion is regulated by

Answer 30

secretory granules/vesicles

Question 31

unstimulated salivary glands are full of

Answer 31

zymogen granules

Question 32

plasma cells produce

Answer 32

antibodies

Question 33

secretory cells have receptors that will bind to the _______ and pass them into the saliva

Answer 33

antibodies

Question 34

primary saliva is produced by _____ and becomes secondary when it goes through ______

Answer 34

acini ; ducts

Question 35

primary secretion - acini - h2o ________

Answer 35

permeable

Question 36

secondary secretion - duct - h2o __________

Answer 36

impermeable

Question 37

secretion in ______ and reabsorption along the ______

Answer 37

acini ; ducts

Question 38

ducts modify saliva by changing the amounts of ___ and ____

Answer 38

Na+ and K+

Question 39

primary saliva goes from _____ to ______ as it passes through the duct system

Answer 39

hypertonic to hypotonic

Question 40

parotid is all _____. glands

Answer 40

serous

Question 41

submandibular is mostly ____ with some _____

Answer 41

serous ; mucus

Question 42

sublingual is mostly ____ with some _____

Answer 42

mucus ; serous

Question 43

von Ebner's glands are purely _______ and are found only in _______ glands

Answer 43

serous ; minor salivary