Ch 5 Oral Facial Developement

Question 1

Palate is formed from Two separate embryonic structures which are

Answer 1

Primary palate (small 1/3 in front)

Secondary palate
(Divided by median palatine raphe and has 2 halves on roof of mouth)

Question 2

Palate is developed in 3 consecutive stages

Answer 2

Formation of primary palate

“ “ of secondary palate

Completion of palate
-bone grows vertically but then stops and grows together, horizontally

Question 3

Nasal septum is a growth from what processes

Answer 3

Growth from fused medial nasal processes

Question 4

Vertical septum fuses with what

Answer 4

Fuses with horizontally orientated final palate

Question 5

Tongue develops from independent swelling located internally on ____ __ _______ ______
And formed by

Answer 5

Floor of primitive pharynx

Formed by 1st 4 Branchial arches

Question 6

Body of tongue develops from what

Answer 6

First Branchial arches

Question 7

Base of tongue develops from

Answer 7

2nd, 3rd, and 4th Branchial arches

Innervated by 4 nerves