Salivary Glands

Question 1

What does saliva help do?

Answer 1

• Aids swallowing
• Initiates carbohydrate digestion (amylase)
• Controls bacterial growth
  - Lysozyme
  - IgA

Question 2

Name the 3 salivary glands

Answer 2

1. Parotid
2. Sub-mandibular
3. sub-lingual

Question 3

What are Myoepithelial cells?

Answer 3

Myoepithelial cells help propel the secretions off the salivary glands

Question 4

Name the 4 different types of ducts

Answer 4

1. Intercalated
2. Striated
3. Interlobular
4. Lobar/terminal

Question 5

What kind of tissue is the intercalated duct?

Answer 5

Simple Cuboidal epithelium

Question 6

What do intercalated ducts do?

Answer 6

They carry fluid from acini to striated ducts

Question 7

What kind of duct is this?

Answer 7

Intercalated duct

Question 8

What kind of duct is this?

Answer 8

Striated Duct

Question 9

What kind of tissue is the striated duct?

Answer 9

Simple Columnar epithelium

Question 10

What does the striated duct produce?

Answer 10

Bicarbonate Buffer

Question 11

Why does the striated duct have basal infoldings?

Answer 11

to increase surface area

Question 12

What kind of pumps does the striated duct have?

Answer 12

Na/K and Cl/HCO₃

Question 13

What kind of duct is this?

Answer 13

Straited duct

Question 14

What kind of tissue make up the intelobular duct?

Answer 14

Simple columnar transitioning to stratified cuboidal/columnar

Question 15

What duct is this?

Answer 15

Intelobular duct

Question 16

What kind of tissue are the lobar ducts?

Answer 16

Stratified columnar surrounded by connective tissue

Question 17

How are the granules of Mucuous cells? (lipophilic or hydrophilic?)

Answer 17

their granules are hydrophillic.

Question 18

Identify the cells

Answer 18

Upper = Mucuous cells

Lower = Serous cells

Question 19

The acini in the submandibular gland produce mucous and serous secretions, which one is produced proximally and distally?

Answer 19

Proximally = mucous secretions

Distally = serous secretions

Question 20

The parotid gland is mostly mucous or serous acini?

Answer 20

serous acini

Question 21

The submandibular gland is mostly mucous or serous acini?

Answer 21

mucous acini

Question 22

Serous demilunes are a component of this type of gland.

Answer 22

Submandibular and sublingual gland

Question 23

what are these types of cells?

Answer 23

Upper: serous demilunes

Lower: mucous-secreting cells

Question 24

What are these cells?

Answer 24

serous demilunes with mucous cells

Question 25

What is this cell?

Answer 25

serous demilunes

Question 26

Describe the parotid gland

Answer 26

* largest of the salivary glands * produces only about 30% of the total salivary output * the saliva it produced is serous.

Question 27

What is this?

Answer 27

Parotid gland

Question 28

What is this?

Answer 28

Parotid gland

Question 29

What is this?

Answer 29

Parotid gland

Question 30

What is this?

Answer 30

Parotid gland

Question 31

Describe the submandibular gland

Answer 31

* produces 60% of the total salivary output * manufactures mixed saliva, the major portion is serous.

Question 32

What is this?

Answer 32

Submadibular gland

Question 33

What is this?

Answer 33

Submandibular gland

Question 34

Describe the sublingual gland

Answer 34

* composed mostly of mucous acini with serous demilunes * produces a mixed (mostly mucous) saliva.

Question 35

What is this?

Answer 35

Sublingual gland

Question 36

What is this?

Answer 36

sublingual

Question 37

What is this?

Answer 37

Sub-mandibular

Question 38

What is mumps?

Answer 38

* is a viral disease caused by a paramyxovirus. * Painful swelling of the salivary glands * Painful testicular swelling (orchitis) and rash may also occur

Question 39

What is the autonomic control of the salivary glands?

Answer 39

Sympathetics * Serous * Superior cervical ganglion * Pre-ganglionics from T1-T3 Para-Sympathetics * Parotid = lesser petrosal branch of CN IX * Submandibular and sublingual = Chorda tympani CN VII

Question 40

What is this?

Answer 40

Pleiotropic Adenoma of the Parotid Gland

Question 41

What is this?

Answer 41

Pleiotropic Adenoma of the Parotid Gland

Question 42

What is a Pleiotropic Adenoma of the Parotid Gland?

Answer 42

Is a solitary tumor, slow growing, painless, firm and looks as a single nodular mass. The tumor is "benign" but is aneuploid (it can recur after resection)

Question 43

What is this? (the whole thing)

Answer 43

Sialoadenitis

Question 44

What is Sialodenitis?

Answer 44

* inflammation of the salivary glands * Small stones may block the salivary ducts leading to swelling of the affected gland