Histology (oral anatomy)

Question 1

What develops from the First Branchial Arch?

Answer 1

Maxillary process and Mandibular process

Question 2

What develops from the Frontal process?

Answer 2

Forehead, frontal bone, median nasal process, and lateral nasal process.

Question 3

The first branchial arch makes up the maxillary process what is included in the maxillary process?

Answer 3

lateral palatine processes, upper parts of cheek, sides of upper lip

Question 4

The first branchial arch makes up the mandibular process what is included in the mandibular process?

Answer 4

Lower jaw, lower parts of the face and lower lip, and the anterior 2/3 of the tongue.

Question 5

Where does the posterior 1/3 of the tongue come from?

Answer 5

2nd and 3rd branchial arches

Question 6

What nerves innervate the tongue?

Answer 6

XII, V3, VII, IX

Question 7

What nerve controls the motor movement of the tongue?

Answer 7

XII

Question 8

What nerve is sensory for the anterior 2/3 of the tongue?

Answer 8

V3

Question 9

What nerve is taste for the anterior 2/3 of the tongue?

Answer 9

VII

Question 10

What nerve is sensory and taste for the posterior 1/3 of the tongue?

Answer 10

IX

Question 11

What are the 3 major pairs of salivary glands?

Answer 11

Submandibular, submental, and parotid glands

Question 12

What duct is in the submandibular glands?

Answer 12

Wharton’s duct

Question 13

What duct is in the submental glands?

Answer 13

Ducts of Rivinus empty in Bartholin’s duct

Question 14

What duct is in the parotid gland?

Answer 14

Stenson’s duct

Question 15

What are the 3 developmental layers?

Answer 15

Ectoderm, mesoderm, and endoderm

Question 16

Bud stage is also known as?

Answer 16

Initiation stage

Question 17

In the proliferation (cap stage) what happens?

Answer 17

It grows

Question 18

in the initiation (bud stage) what happens?

Answer 18

That’s where it starts

Question 19

Cap stage is also known as?

Answer 19

Proliferation stage

Question 20

Bell Stage is also known as?

Answer 20

Differentiation stage

Question 21

In the differentiation (Bell stage) what happens?

Answer 21

It specializes

Question 22

What does the DEJ develop from?

Answer 22

The basement membrane

Question 23

What does enamel come from?

Answer 23

Ameloblasts

Question 24

Where do the ameloblasts come from?

Answer 24

Inner Enamel Epithelium

Question 25

Where does the inner enamel epithelium come from?

Answer 25

Enamel Organ

Question 26

Where does the enamel organ come from?

Answer 26

Dental lamina

Question 27

What is included in the ectoderm?

Answer 27

Enamel and nervous tissue

Question 28

What is included in the mesoderm

Answer 28

Forms skeletal and muscular systems and organs

Question 29

When is root formation complete?

Answer 29

1-4 years after eruption

Question 30

When does root formation begin?

Answer 30

After the crown is complete

Question 31

What forms from the Dental Papilla?

Answer 31

Dentin and Pulp

Question 32

What forms from the dental sac?

Answer 32

PDL, Alveolus, and cementum

Question 33

What does appositional growth mean?

Answer 33

Layer by layer

Question 34

What developes from the interna and external enamel epithelium, and helps determine outline of the root and dissolves?

Answer 34

Hertwig’s epithelial root sheath (HERS)

Question 35

What is remnants of HERS also known as

Answer 35

Rests of Malassez

Question 36

Rests of Malassez have the potential to form what kind of pathology in the mouth?

Answer 36

Cysts

Question 37

What is remnants of the dental lamina also known as?

Answer 37

Rests of Serres